About the security content of Safari 16.3

This document describes the security content of Safari 16.3.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the  Apple security updates  page.

Apple security documents reference vulnerabilities by  CVE-ID  when possible.

For more information about security, see the  Apple Product Security  page.

safari 16.3

Safari 16.3

Released January 23, 2023

Available for: macOS Big Sur and macOS Monterey

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: The issue was addressed with improved checks.

WebKit Bugzilla: 245464 CVE-2023-23496: ChengGang Wu, Yan Kang, YuHao Hu, Yue Sun, Jiming Wang, JiKai Ren and Hang Shu of Institute of Computing Technology, Chinese Academy of Sciences

Description: The issue was addressed with improved memory handling.

WebKit Bugzilla: 248268 CVE-2023-23518: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE

WebKit Bugzilla: 248268 CVE-2023-23517: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE

safari 16.3

Additional recognition

We would like to acknowledge Eliya Stein of Confiant for their assistance.

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.

Start a discussion in Apple Support Communities

How-To Geek

Safari is under attack, update your iphone and mac now.

You'll definitely want to install that new iPhone update.

Web browsers are complex applications and need to be constantly patched to keep malicious web pages from breaking out of their sandbox. Apple is now rolling out a fix for a Safari that addresses a critical security vulnerability.

Apple is now rolling out iOS 16.3.1, iPadOS 16.3.1, macOS Ventura 13.2.1, and updates for other platforms that address a handful of security problems. The iPhone, iPad, and Mac updates all include fixes for Safari's engine (WebKit) and the operating system kernel, while the macOS update has an additional security fix for Shortcuts .

The WebKit engine update fixes a bug where improper use of a certain JavaScript library (jsonwebtoken) could allow remote code execution on the host device. Apple said it is "aware of a report that this issue may have been actively exploited," meaning it may be used on some web pages. It was originally reported with the identifier CVE-2022-23529, but it has been officially withdrawn, as the National Vulnerability Database does not classify it as a software vulnerability.

The iOS and iPadOS updates also fixed a bug that allowed apps to execute arbitrary code with kernel-level privileges, which was discovered by Xinru Chi of Pangu Lab and Ned Williamson of Google Project Zero. The macOS update addresses an additional vulnerability that allowed apps to "observe unprotected user data" through Shortcuts, which apparently doesn't affect other platforms.

It's a good idea to update your iPhone , iPad , and Mac as soon as possible to have the latest security patches. Apple is also rolling out Safari 16.3.1 to macOS Big Sur and macOS Monterey, for computers that haven't been updated to Ventura yet (or are too old to run the latest release). You're vulnerable even if you don't use Safari itself -- all web browsers on iPhone and iPad use Safari's WebKit engine, and many Mac apps use the built-in rendering engine for displaying web content.

Source: GitHub , Apple ( iOS , macOS , Safari )

WebKit Features in Safari 16.3

Jan 23, 2023

by Jen Simmons

Today we are pleased to announce Safari 16.3, our first release of many coming this year. With it, WebKit provides multiple bug fixes and feature polish.

  • Fixed MediaQueryList.matches to update the parent document layout for viewport-dependent media queries.
  • Fixed transfers of min and max sizes for CSS aspect-ratio to be constrained by defined sizes.
  • Fixed gap to be accounted for by using the unclamped subgrid track sizes to compute track positions.
  • Fixed calculating block size to use the correct box-sizing.
  • Fixed the transferred min and max sizes to be constrained by defined sizes.
  • Fixed: Use intrinsic ratio of replaced elements when computing flex sizes.
  • Fixed negative content sizes when using box-sizing: border-box with border and padding.
  • Fixed setting scrollTop on a fixed element with overflow breaking scrolling on a page with overscroll-behavior: none .
  • Fixed replaced elements with aspect ratio and size in one dimension to respect the min and max constraints in the opposite dimension.
  • Fixed decompressing content downloaded via fetch() with Content-Encoding: gzip set.
  • Fixed downloads served from a service worker that uses preload.
  • Fixed: Added an error event when link preload fails synchronously.
  • Fixed Cross-Origin-Embedder-Policy incorrectly blocking scripts.
  • Fixed Authorization header used for subsequent 301 redirects when the request header changes.
  • Fixed showing a dialog element when the target is a shadow host with a focus delegates.

Content Security Policy

  • Added support for the prefetch-src directive.
  • Fixed: Check for strict-dynamic in script-src and default-src directives.
  • Fixed: Added an error event when Content Security Policy blocks inline stylesheets.
  • Fixed web audio becoming garbled with switching from speakers to headphones.
  • Fixed video track’s size settings in the second MediaStream created when the aspectRatio constraint is applied.
  • Fixed showing Media Session API artwork.
  • Fixed “A MediaStreamTrack ended due to a capture failure” error when selecting bluetooth headphones as an audio input device.
  • Fixed WebVTT styles to apply with in-band tracks.
  • Fixed alternate VPx codec names to support vp8.0 and vp9.0 .
  • Fixed MouseClick offsetX and offsetY on a foreign object in an SVG to be relative to the element rather than relative to the SVG container.

We love hearing from you. Send a tweet to @webkit to share your thoughts on Safari 16.3. Find us on Mastodon at @[email protected] and @[email protected] . If you run into any issues, we welcome your feedback on Safari UI, or your WebKit bug report about web technology or Web Inspector. Filing issues really does make a difference.

Download the latest Safari Technology Preview to stay at the forefront of the web platform and to use the latest Web Inspector features. You can also read the Safari 16.3 release notes .

Updating to Safari 16.3

Safari 16.3 is available for macOS Ventura , macOS Monterey, macOS Big Sur, iPadOS 16 , and iOS 16 . You can update to Safari 16.3 on macOS Monterey or macOS Big Sur by going to System Preferences → Software Update → More info, and choosing to update Safari. To update macOS Ventura, iOS or iPadOS, go to Settings → General → Software Update.

You are using an outdated browser. Please upgrade your browser to improve your experience.

Big Safari & Kernel issues fixed in iOS 16.3.1, macOS 13.2.1 updates

Malcolm Owen's Avatar

16-inch MacBook Pro

safari 16.3

Apple introduced small incremental updates across its software ecosystem on Monday, with iOS 16.3.1 , iPadOS 16.3.1 , and macOS 13.2.1 available to download by the public.

Following the release, Apple has published details about the security content of each update , with a lot of crossover between the three operating systems.

The first, a Kernel issue, impacts all three updates, and is described as one where "an app may be able to execute arbitrary code with kernel privileges. The fix addressed a "use after free issue" by adding "improved memory management.

Identified as CVE-2023-23514, the issue was declared by Xinru Chi of Pangu Lab and Ned Williamson of Google Project Zero.

The second, a WebKit problem, is listed as impacting all of the operating systems, as well as Safari itself. Under the issue, "processing maliciously crafted web content may lead to arbitrary code execution."

Apple adds that it is "aware of a report that this issue may have been actively exploited." It has since been fixed with "improved checks."

It is identified as CVE-2023-23529, and was found by "an anonymous researcher.

The last issue is for Shortcuts, and specifically affects macOS Ventura . Under the issue, an app "may be able to observe unprotected user data," which was fixed with "improved handling of temporary files."

CVE-2023-23522 was found by Wenchao Li and Xiaolong Bai of Alibaba Group.

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Apple Releases Safari 16 With Tab Group Start Pages, Cross-Device Syncing for Website Settings, Strong Password Updates and More

Apple today released Safari 16, with the new update bringing some macOS Ventura features to macOS Monterey and macOS Big Sur while we wait for the October launch of the new operating system.

safari icon blue banner

Safari 16 introduces new features, even faster performance, and improved security, such as: - Tab Group start pages let you add different background images and favorites for each Tab Group - Pinned tabs in Tab Groups enable you to pin frequently visited websites for each Tab Group - Tabs in the sidebar let you see a list view of your open tabs - Settings you've set for specific websites now sync across devices - Strong password editing lets you adjust strong passwords to meet website-specific requirements - Some features may not be available for all regions, or on all Apple devices.

The update also addresses several WebKit vulnerabilities that could track users through web extensions, lead to arbitrary code execution, and lead to UI spoofing. None of these vulnerabilities were known to have been actively exploited, but it is still worth updating to the new browser to get the Safari 16 functions.

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Top Rated Comments

BWhaler Avatar

Honest question: why does Apple always provide older versions of macOS with the most recent Safari, but not any other app? Why the exception for Safari? They could just include it in a regular macOS update instead of separating it.

n-evo Avatar

Safari is sadly chromium based

_Spinn_ Avatar

Reason for lack of extensions is the $100 a year cost for the Apple Developer Program. Chrome lets you publish with a one time $5 fee while the Edge, Firefox and Opera stores are free. But Apple has made it easy to convert a Chrome extension to a Safari one with a simple terminal command.

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Should I update to iOS 16.3.1? Here's what Apple's newly updated software does

Have you updated your iPhone yet?

Apple has released iOS 16.3.1, an update to its operating system that fixes a security vulnerability that hackers may have exploited in the wild. 

According to Apple's support page, the bug was in  WebKit , the web browser engine used by Safari. The problem could allow an attacker to execute code on someone's device.

iOS 16.3.1 also fixes an issue in the Kernel at the core of the operating system that could allow an app to execute arbitrary code with kernel privileges. 

The update comes just weeks after the release of iOS 16.3 , which added the ability to use security keys for two-factor authentication. 

Apple said the issues affect iPhone 8 models and later. It also released  macOS 13.2.1, iPadOS 16.3.1 and Safari 16.3.1 security updates.

Your iPhone Face ID is vulnerable: Change the Face ID setting, or anyone can get into your iPhone

iOS 16.3: Here are the new features coming to your iPhone

What else is new in iOS 16.3.1?

iOS 16.3.1 promises to improve Crash Detection  on iPhone 14 and iPhone 14 Pro models. 

Crash Detection is a feature that alerts emergency services if your iPhone 14 detects a "severe car crash" and is on by default. 

It also brings fixes to iCloud settings and Siri requests for Find My. 

Google's answer to ChatGPT:  Here's what you need to know about its new AI chatbot

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How to update your iPhone to iOS 16.3.1

To update your iPhone manually, go to Settings, click on General and select Software Update.

If you have your device set to automatic updates, your iPhone will download and install the update overnight while charging and connected to Wi-Fi. 

To install updates automatically, go to Settings, click on General, select Software Update and enable automatic updates.

Apple releases iOS 16.3 and macOS Ventura 13.2 with Apple ID FIDO key support, new wallpaper, major fixes, and more

Following several weeks of beta testing, iOS 16.3 and macOS Ventura 13.2 are now available to the public as stable releases. Here's what's new.

In late 2022, Apple publicly launched iOS 16 , iPadOS 16 , macOS Ventura , and watchOS 9 , providing users globally with a new iPhone Lock Screen, Stage Manager, and much more. Since then, the company has been developing these operating systems further, by working on smaller, subsequent updates. These releases aim to fix the leftover bugs and security vulnerabilities, while also introducing some of the new features that didn't ship with the main X.0 versions.

iOS 16.3, iPadOS 16.3, macOS Ventura 13.2, and watchOS 9.3 are now available to everyone around the world. Apple had been beta testing these versions for several weeks, and they've now reached the stability users typically expect. While they don't offer a ton of new visual changes and features, there's still a lot to unpack here!

In terms of new features, iOS 16.3 arguably is the most packed when compared to the other Apple OS updates we received today. For starters, potentially the most obvious change, we have a new Unity wallpaper that users can view or set by going to the wallpaper settings. While it's not exactly a major addition, getting more default wallpaper options to pick from is always a welcome change.

Another notable iOS 16.3 offering is FIDO security key support for Apple ID. This optional setting allows users to add another security layer by needing a physical key every time they sign in to their Apple accounts on a new device. And speaking of security and privacy, iOS 16.3 also enables Advanced Data Protection for users worldwide. The optional feature, which was initially limited to the U.S., end-to-end encrypts even more iCloud data types, such as photos, notes, and device backups.

Apart from the aforementioned changes, nothing much is new. Of course, as always, there are bug fixes as well, including ones for the iPhone 14 Pro Max display issue and the Freeform app not properly syncing certain elements on shared boards. You can read the full iOS 16.3 changelog below.

iOS 16.3 Changelog

This update includes the following enhancements and bug fixes:

  • New Unity wallpaper honors Black history and culture in celebration of Black History Month
  • Security Keys for Apple ID allow users to strengthen the security of their account by requiring a physical security key as part of the two factor authentication sign in process on new devices
  • Support for HomePod (2nd generation)
  • Emergency SOS calls now require holding the side button with the up or down volume button and then releasing in order to prevent inadvertent emergency calls
  • Fixes an issue in Freeform where some drawing strokes created with Apple Pencil or your finger may not appear on shared boards
  • Addresses an issue where the wallpaper may appear black on the Lock Screen
  • Fixes an issue where horizontal lines may temporarily appear while waking up iPhone 14 Pro Max
  • Fixes an issue where the Home Lock Screen widget does not accurately display Home app status
  • Addresses an issue where Siri may not respond properly to music requests
  • Resolves issues where Siri requests in CarPlay may not be understood correctly

iPadOS 16.3

When compared to iOS, iPadOS 16.3 doesn't come with many changes. For starers, the new Unity wallpaper is exclusive to the iPhone. So even if you update to the latest iPadOS version, you won't be able to view or set it as your iPad's wallpaper. Though, you do get FIDO security key support for Apple ID, Advanced Data Protection if the feature isn't already available to you, support for the new HomePod 2, and some bug fixes. You can view the official iPadOS 16.3 changelog below.

iPadOS 16.3 Changelog

macOS Ventura 13.2

Moving on to macOS Ventura 13.2. Similar to iPadOS, you don't get plenty of new changes when compared to iOS. Instead, you receive the same FIDO security key and Advanced Data Protection support. That's, expectedly, in addition to Mac-exclusive bug fixes. The full macOS Ventura 13.2 changelog is available below.

macOS Ventura 13.2 Changelog

This update introduces Security Keys for Apple ID, and includes other enhancements and bug fixes for your Mac.

  • Security Keys for Apple ID allow users to strengthen the security of their account by requiring a physical security key to sign in
  • Fixes an issue where VoiceOver may stop offering audio feedback while you are typing

watchOS 9.3

Lastly, apart from bug fixes, the only obvious change in watchOS 9.3 is a new Unity Mosaic watch face. The fresh face is very minimalistic and matches the aforementioned wallpaper included in iOS 16.3. However, it doesn't support any Apple Watch complications.

watchOS 9.3 Changelog

watchOS 9.3 includes new features, improvements and bug fixes, including new Unity Mosaic watch face to honor Black history and culture in celebration of Black History Month.

Now that this round of Apple OS updates has launched publicly, we can expect the next developer betas to land as soon as this week. While it's too early to tell, we hope that iOS 16.4 introduces support for Unicode 15.0 emoji and the Apple Music Classical app. With the 2022 operating systems starting to mature, we might not see plenty of new and exciting additions until iOS 17 and macOS 14 debut as developer betas in June.

What's your favorite iOS 16 feature? Let us know in the comments section below.

safari 16.3

Safari 16.3.1

Apple has released Safari 16.3.1 for macOS 12 Monterey and macOS 11 Big Sur with a patch for a single WebKit vulnerability that Apple says may have been actively exploited in the wild. In other words, install this update immediately! You can download Safari 16.3.1 only via Software Update. (Free, release notes , macOS 11+)

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Comments About Safari 16.3.1

Notable replies.

Hi. I just updated to Ventura 13.2.1. Safari remains at 16.3. I restarted to see whether that would prompt an update, but it didn’t. I’ve checked via Get Info, but the version seems to be 16.3. Any suggestions?

I’m having this issue too.

Probably a general glitch, then. Thanks for letting me know.

Safari 16.3.1 was released for Monterey and Big Sur. I think it remains at 16.3 for Ventura? David

Oh, I missed that. Thanks.

You have the Safari 16.3.1 update if your BuildVersion is Ventura = 18614.4.6.11.6 even if the version number says 16.3.

When I check “about Safari,” is says Version 16.3 (18614.4.6.1.6). I d on’t know how to check the build version for Ventura itself.

Sorry I wasn’t clear. I did mean the build number for Safari 16.3.1 for Ventura is 18614.4.6.11.6, so you still have Safari for Ventura 16.3.

You can get the build number for Ventura by checking “About this Mac” from the  menu and clicking on the version number in that dialog box. It should be macOS 13.2.1 (22D68) after today’s update.

Thank you. I really appreciate learning that. And the version # is as you said.

Thanks, Adam. I really rely on your articles.

According to MacRumors, 16.3 (18614.4.6.1.6) is the correct build number, not 18614.4.6.11.6 (I think the 11 is a typo). The previous Safari was 16.3 (18614.4.6.1.5).

You can find the MacRumors discussion at Apple Releases macOS 13.2.1 With Bug Fixes and Security Updates | MacRumors Forums .

Thanks for clarifying this for me. Better than Apple Support on Twitter could do, LOL. I’m comfortable I have the newest Safari then.

FWIW, the Safari update I just installed for Big Sur also reports itself as 16.3 (build number 16614.4.6.11.6).

I assume this the same release, compiled for Big Sur, since the build number is identical, not counting the second digit.

On my macOS Monterey system, the version number also lacks the “.1” used in the support article. In Safari’s About dialog: Version 16.3 (17614.4.6.11.6, 17614) .

My guess is the first two digits of the build number in the parentheses correspond to the major macOS version, since they’re 18 on Ventura, 17 on Monterey, and 16 on Big Sur.

Further to the version numbering issue, I compared two versions of Apple’s page about the security content of this release ( About the security content of Safari 16.3 - Apple Support ) - Google’s cached version dated 13 Feb and Apple’s current version dated 14 Feb. We can see that Apple removed the “.1” and added a footnote about build numbers.

Screen Shot 2023-02-15 at 12.36.29 pm

MacRumors is correct. Sorry, I was misinformed by a usually reliable source.

Hey there, While everyone seems to be trying to decipher the real version number for the latest release of Safari (the deciphering required being an embarrassment for Apple, IMHO), I believe so far, no one has mentioned the latest copyright year (when invoking “About Safari”), is listed as “2022”, not “2023”, as it should be. An additional embarrassment for Apple.

Thanks very much Adam for this post and Al Varnell for your information. That was me (LCD) yesterday on Mac Rumors. My post at 6pm brought this problem I was having to their attention. At 1pm today a moderator in the forum named Nermal wrote that he knew nothing about it. Then KaliYoni wrote an hour ago about this forum here on TidBITS when I saw Al’s posts.

And just to add more confusion, I just installed the Big Sur 11.7.4 update. Immediately after the installation, a Safari update became available. This one is version 16.3.1 (16614.4.6.11.7).

Screen Shot 2023-02-16 at 00.03.06

On Big Sur 11.7.3 two updates are available: macOS 11.7.4 and Safari 16.3.1. Because 11.7.3 update had caused me a bunch of problems, I decided to install only the Safari update. Curiously the installer didn’t ask to quit Safari as normally expected. In fact after the installation nothing changed in Safari’s version number: Version 16.3 (16614.4.6.11.6, 16614) even after relaunching Safari.

I then downloaded the 16.3.1 installer here: https://swcdn.apple.com/content/downloads/62/14/032-51569-A_6C8JMC4NSY/3excb9qywqf00i87sfss53vk636jizy6ck/Safari16.3.1BigSurAuto.pkg and this one finally gave me Version 16.3.1 (16614.4.6.11.7, 16614)

Everything you said happened to me, but with more. The 11.7.4 update pane also offered Safari 16.3, which, to that level of detail, is what I had. Something around the declared size of the Safari update was downloaded, and the update proceeded normally (which means it took about 50 minutes).

Immediately after the installation, System Preferences sported a badge with a 1 in it. Minutes of “Checking for updates…” had no effect; it was not until after I restarted that Software Update was able (in short order) to offer Safari 16.3.1.

It’s like keeping system software up to date is a game of hide-and-seek or a treasure hunt. And then the prize is copyright 2022.

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Safari 16.3.1 downloads but won't install

  • Thread starter LCD
  • Start date Feb 14, 2023
  • Sort by reaction score

macrumors member

  • Feb 14, 2023

With Safari 16.3 installed on my Mac, I first tried unsuccessfully to download Safari 16.3.1 on a 2018 Mac Mini with macOS Monterey 12.6.3 installed, then again after upgrading to macOS Ventura 13.2.1. When I searched for this problem I could find nothing but an article on jamf Nation Community's website named "Safari 16.3.1 Standalone Installers" that might be describing why I'm having this problem. It reads "Apple's Security update bulletins published today are calling it Safari 16.3.1, however Apple actually released new builds of Safari 16.3 with updated build numbers so you'll have to use an EA to extract the CFBundleVersion string from the Safari app bundle to figure out exactly what version of Safari you have installed". I guess it's just the two of us.  

bogdanw

macrumors 603

Here is the link for the update pkg Code: https://swcdn.apple.com/content/downloads/61/07/032-38754-A_I6L5FGHO4W/6vezgtgkabm4112wd26y1moii3kak18ykb/Safari16.3MontereyAuto.pkg  

Nermal

Can you clarify what happens when you try to install it?  

  • Feb 15, 2023

Apple has updated the page https://support.apple.com/en-us/HT213638 It's a different build of Safari 16.3, not Safari 16.3.1. "After installing this update, the build number for Safari 16.3 is 167614.4.6.11.6 on macOS Big Sur and 177614.4.6.11.6 on macOS Monterey."  

Thanks for that link bogdanw. I see I'm good to go. In Ventura now, I have Safari 16.3 build 18614.4.6.1.6. I was on the Apple website page on February 13 'About the security content of Safari 16.3' that you linked me to. Apple updated that page the next day so I'm not sure that the * containing the build information was there for me to see. Then yesterday Safari 16.3.1 appeared in the Software Update pane of Monterey's System Preferences. After that I saw a listing on Softpedia that shows Safari is now at 16.3.1 https://mac.softpedia.com/get/Internet-Utilities/Safari.shtml Hello Moderator Nermal. In Monterey the Safari 16.3.1 download seemed to go as usual but followed with what appeared to be no installation at all. I couldn't find in a search to see where that download is located in the Finder. And since I was only looking for a .1 added to the version number, I'm sorry that I didn't check if the build number had changed +.2 from the January 23 Safari 16.3 build 177614.4.6.11.4 to the February 13 build 177614.4.6.11.6.  

macrumors 68000

LCD said: I guess it's just the two of us. Click to expand...

talk.tidbits.com

Safari 16.3.1

talk.tidbits.com

Excellent. Thanks for that post KaliYoni. The TidBITS forum never came up in my search yesterday. I'll be going to them first from now on. So I'm down to just wondering why I can't get Safari 16.3.1 build 18614.4.6.11.6 to download into Ventura 13.2.1 (22D68) to replace Safari 16.3 build 18614.4.6.1.6 that came with upgrading to Ventura yesterday from Monterey's current release.  

LCD said: So I'm down to just wondering why I can't get Safari 16.3.1 build 18614.4.6.11.6 to download into Ventura 13.2.1 (22D68) to replace Safari 16.3 build 18614.4.6.1.6 that came with upgrading to Ventura yesterday from Monterey's current release. Click to expand...

You appear to be right bogdanw. But there’s a post in a forum on TidBITS about Safari 16.3.1 being available in Ventura with build number 18614.4.6.11.6. However I downloaded Ventura 13.2.1 yesterday which included Safari 16.3 with build 18614.4.6.1.6 and I have nothing in Settings to update Safari.  

I wouldn't worry about it. If Apple did change the build number, it’s probably just so that update can be pushed now as 16.3, instead of 16.3.1. Whatever build you have, the vulnerability is fixed.  

  • Feb 16, 2023

12 hours ago this was posted by David C. in the TidBITS forum… And just to add more confusion, I just installed the Big Sur 11.7.4 update. Immediately after the installation, a Safari update became available. This one is version 16.3.1 (16614.4.6.11.7).  

Safari 16.3.jpg

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TahoeSkier

(13 Feb 2023) Safari update for Mac OS Monterey......

I added today's (13 Feb 2023) Safari update for Mac OS Monterey. It now shows Safari Version 16.3 NOT 16.3.1. How can I tell if I have the latest updated version of Safari ?

Is there a new build number?

MacBook Air

Posted on Feb 13, 2023 8:40 PM

Posted on Feb 15, 2023 11:21 AM

There was confusion caused by misinformation on the webpage About the security content of Safari 16.3 - Apple Support which previously referred to the latest version being 16.3.1 when in fact it is 16.3. The webpage was changed the next day to correct version 16.3 and added the build numbers. Unfortunately the build numbers they added are incorrect. It currently says they are "167614.4.6.11.6 on macOS Big Sur and 177614.4.6.11.6 on macOS Monterey"

The correct build numbers are 16614.4.6.11.6 on macOS Big Sur and 17614.4.6.11.6 on macOS Monterey.

I previously wrote about it here:

Shouldn't the Feb 13, 2023 Safari for Big Sur and Monterey be version 16.3 not 16.3.1?

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Feb 15, 2023 11:21 AM in response to Sparks0829

Sparks0829

Feb 15, 2023 10:32 AM in response to TahoeSkier

Hi there TahoeSkier,

We're happy to provide some guidance. Safari 16.3 is the most updated version of Safari available for macOS Monterey. Have a look at the related article linked in blue at the top left corner of this page for more information. If your Mac is fully updated to macOS Monterey 12.6.3, then Safari is fully updated for that version of macOS.

The most up-to-date version of Safari is included with the latest version of macOS.

Learn more here: Update to the latest version of Safari - Apple Support

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COMMENTS

  1. Safari 16.3 Release Notes

    Safari 16.3 is available for macOS Big Sur, macOS Monterey, macOS Ventura, iPadOS 16.3, and iOS 16.3. CSS Resolved Issues. Fixed Media Query List.matches to update the parent document layout for viewport-dependent media queries. Fixed transfers of min and max sizes for CSS aspect-ratio to be constrained by defined sizes.

  2. About the security content of Safari 16.3

    Safari 16.3*. Released February 13, 2023. WebKit. Available for: macOS Big Sur and macOS Monterey. Impact: Processing maliciously crafted web content may lead to arbitrary code execution. Description: The issue was addressed with improved memory handling. WebKit Bugzilla: 248268.

  3. About the security content of Safari 16.3

    This document describes the security content of Safari 16.3. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available.

  4. Safari Release Notes

    Learn about changes for Safari for iOS and macOS, Web Inspector, WebKit view for iOS and macOS, and Safari view for iOS. Skip Navigation. Global Nav ... Safari 16.3 Release Notes. Released January 23, 2023 — Version 16.3 (18614.4.6) Safari 16.2 Release Notes.

  5. Safari 16 Release Notes

    Safari 16 ships with iOS 16, and is available as an update on macOS Monterey and macOS Big Sur. CSS New Features. ... Safari 16.3 Release Notes. Released January 23, 2023 — Version 16.3 (18614.4.6) Safari 16.2 Release Notes. Released December 13, 2022 — Version 16.2 (18614.3.7)

  6. iOS 16.3 Features: Everything New in iOS 16.3

    The iOS 16.3 and iPadOS 16.3 updates address a long list of security vulnerabilities with Safari, Weather, Mail, Screen Time, the kernel, and more. Other New Features.

  7. Safari Is Under Attack, Update Your iPhone and Mac Now

    Apple is now rolling out iOS 16.3.1, iPadOS 16.3.1, macOS Ventura 13.2.1, and updates for other platforms that address a handful of security problems. The iPhone, iPad, and Mac updates all include fixes for Safari's engine (WebKit) and the operating system kernel, while the macOS update has an additional security fix for Shortcuts.

  8. WebKit Features in Safari 16.3

    Download the latest Safari Technology Preview to stay at the forefront of the web platform and to use the latest Web Inspector features. You can also read the Safari 16.3 release notes. Updating to Safari 16.3. Safari 16.3 is available for macOS Ventura, macOS Monterey, macOS Big Sur, iPadOS 16, and iOS 16. You can update to Safari 16.3 on ...

  9. Big Safari & Kernel issues fixed in iOS 16.3.1, macOS 13.2.1 updates

    Reddit. Monday's software updates fix an array of security issues in macOS, iOS, and iPadOS, including one affecting Safari's WebKit that was being actively exploited. Apple introduced small ...

  10. Apple Releases Safari 16 With Tab Group Start Pages, Cross-Device

    Apple today released Safari 16, with the new update bringing some macOS Ventura features to macOS Monterey and macOS Big Sur while we wait for the October launch of the new operating system.

  11. iOS 16.3: New features, fixes, and security updates

    To install the iOS 16.3 update on your iPhone or iPad, first head over to the Settings app. Tap General. Tap the Software Update tab. Tap Download and Install. Enter your passcode. Tap Agree. Tap ...

  12. Updating Safari 16.3.1 yields v16.3

    Updating Safari 16.3.1 yields v16.3. Just as an FYI, I updated 3 (201) MBA's running 12.6.3 with the new Safari 16.3.1 update released 02.13.2023. Installed successfully but still shows as version 16.3. Now, I didn't write down the build number so it could be different. Says installed and no other updates available on all 3 machines.

  13. Safari 16.4 Release Notes

    Safari 16.4 beta is available for macOS Big Sur, macOS Monterey, macOS Ventura, iPadOS 16.4 beta, and iOS 16.4 beta. Browser Changes New Features. Added dark mode support for plain text files. Added fingerprinting countermeasures for querying the permission state of the Notifications API. CSS New Features. Added support for current Color with ...

  14. Apple's new iOS 16.3.1 update offers important features and repairs

    Apple said the issues affect iPhone 8 models and later. It also released macOS 13.2.1, iPadOS 16.3.1 and Safari 16.3.1 security updates.. Your iPhone Face ID is vulnerable:Change the Face ID ...

  15. iOS 16.3

    In terms of new features, iOS 16.3 arguably is the most packed when compared to the other Apple OS updates we received today. For starters, potentially the most obvious change, we have a new Unity ...

  16. Safari 16.3.1

    In Safari's About dialog: Version 16.3 (17614.4.6.11.6, 17614). My guess is the first two digits of the build number in the parentheses correspond to the major macOS version, since they're 18 on Ventura, 17 on Monterey, and 16 on Big Sur. Tara. 14 February 2023.

  17. Safari 16.3.1 downloads but won't install

    With Safari 16.3 installed on my Mac, I first tried unsuccessfully to download Safari 16.3.1 on a 2018 Mac Mini with macOS Monterey 12.6.3 installed, then again after upgrading to macOS Ventura 13.2.1. When I searched for this problem I could find nothing but an article on jamf Nation Community's website named "Safari 16.3.1 Standalone ...

  18. (13 Feb 2023) Safari update for Mac OS Mo…

    Posted on Feb 15, 2023 11:21 AM. There was confusion caused by misinformation on the webpage About the security content of Safari 16.3 - Apple Support which previously referred to the latest version being 16.3.1 when in fact it is 16.3. The webpage was changed the next day to correct version 16.3 and added the build numbers.

  19. Safari 16.6 Release Notes

    Overview. Safari 16.6 is available for macOS Big Sur, macOS Monterey, macOS Ventura, iPadOS 16.6, and iOS 16.6. CSS Resolved Issues. Fixed using currentcolor with color-mix().. Fixed content at block-start edge to have their trimmed margins reflected in the computed style.. Fixed trimmed block-end margins for block containers to be reflected in the computed style in a horizontal writing mode.

  20. Safari 16.2 Release Notes

    Safari 15 Release Notes. To navigate the symbols, press Up Arrow, Down Arrow, Left Arrow or Right Arrow . 21 of 29 symbols inside <root> Version 14. 29 items were found. Tab back to navigate through them. ... Safari 16.3 Release Notes. Released January 23, 2023 — Version 16.3 (18614.4.6) Safari 16.1 Release Notes.

  21. Safari 16.3 Standalone Installers

    What you could do is create a wrapper .pkg using Composer that contained both the Monterey and Big Sur .pkgs for Safari 16.3 and drops them in/var/tmp and uses a postinstall script to determine which package to install. You could then use the wrapper .pkg as the Safari 16.3 package for Patch Management.

  22. Safari 16.1 Release Notes

    Safari 16.1 is available for macOS Big Sur, macOS Monterey, macOS Ventura, iPadOS 16.1 and iOS 16.1. Accessibility Resolved Issue. Fixed display: contents buttons failing to expose their accessible name. Authentication New Feature. Added support for passkeys on macOS Big Sur, macOS Monterey, macOS Ventura, and iPadOS 16.1. See Supporting ...