Apple Releases macOS Big Sur 11.2.3 With WebKit Security Fix

Apple today released macOS Big Sur 11.2.3, the fifth update to the macOS Big Sur operating system that launched in November. macOS Big Sur 11.2.3 comes two weeks after the release of macOS 11.2.2, a bug fix update.

macOS Big Sur Feature Orange
The new ‌‌‌‌‌macOS Big Sur‌‌‌‌ 11.2.3 update can be downloaded for free on all eligible Macs using the Software Update section of System Preferences.

Apple says that macOS Big Sur 11.2.3 introduces important security updates and should be installed by all users, with an additional support document clarifying that the software addresses WebKit vulnerability that could allow maliciously crafted web content to execute code.

Apple has also released a new version of Safari (14.0.3) for macOS Catalina and macOS Mojave users.

Related Forum: macOS Big Sur

Popular Stories

iOS 18

iOS 18.4 Will Include These New Features for Your iPhone

Wednesday February 5, 2025 7:15 am PST by
iOS 18.3 was released last month, so the first iOS 18.4 beta should be coming soon. iOS 18.4 is expected to be a more substantial update for the iPhone, with several new features and changes related to Apple Intelligence and beyond. Apple's website suggests that iOS 18.4 will be released in April, following beta testing. Below, we outline what to expect from the update so far. Apple...
General Apple Invites Feature

Apple Launches New 'Invites' App

Tuesday February 4, 2025 8:00 am PST by
Apple today announced the launch of a new app called "Invites," which is designed to allow users to plan events like birthday parties, graduations, vacations, baby showers, and more. "With Apple Invites, an event comes to life from the moment the invitation is created, and users can share lasting memories even after they get together," said Brent Chiu-Watson, Apple's senior director of...
App Store vs EU Feature 2

Apple Says It Doesn't Approve of EU Porn App

Monday February 3, 2025 1:15 pm PST by
Apple does not approve of the "Hot Tub" pornography app that was released for the iPhone in the EU using alternative app distribution, Apple said in a statement to MacRumors. Further, Apple is concerned about the potential user safety risks with a pornography app, and says that it undermines consumer trust in the Apple ecosystem. We are deeply concerned about the safety risks that hardcore...
maxresdefault

An Apple TV Refresh is Coming in 2025 - Here's What You Should Know

Wednesday February 5, 2025 10:17 am PST by
Apple hasn't refreshed the Apple TV since 2022, but rumors suggest that we're finally going to get an update in 2025. We don't have a full picture of what to expect yet, but we have some hints on what's coming. Subscribe to the MacRumors YouTube channel for more videos. Updated A-Series Chip The current Apple TV 4K uses the A15 Bionic chip that was in the iPhone 13 lineup, and it's time for...
iPhone SE 4 Single Camera Thumb

iPhone SE 4 Launching as Soon as Next Week

Thursday February 6, 2025 3:30 pm PST by
Apple's next-generation iPhone SE could debut as soon as next week with a launch to follow later in February, reports Bloomberg's Mark Gurman. Apple isn't expected to hold an event for the iPhone SE 4, and will instead unveil the device through a press release. The iPhone SE 4 is expected to have an iPhone 14-style design, with Apple eliminating the thick bezels and Touch ID Home button of...
applecare apple care banner

Apple Raises Monthly AppleCare+ Subscription Price for All iPhones

Tuesday February 4, 2025 9:35 am PST by
Apple this week increased the prices for its monthly AppleCare+ subscription prices for the iPhone, raising the cost by 50 cents for all models in the United States. Standard AppleCare+ for the iPhone 16 models is now priced at $10.49 per month, for example, up from the prior $9.99 per month price. The 50 cent price increase applies to all available AppleCare+ plans for Apple's current...
iOS 18

iOS 18.3.1 Update Coming Soon for iPhones

Thursday February 6, 2025 7:31 am PST by
Apple is internally testing iOS 18.3.1 for iPhones, according to our website's analytics logs, which have been a consistently reliable indicator of upcoming iOS versions. The software update should be released within the next few weeks. iOS 18.3.1 should be a minor update that addresses software bugs and/or security vulnerabilities. Apple Intelligence notification summaries for news and...
iCloud General Feature Redux

iPhone Users Who Pay for iCloud Storage Receive an All-New Perk

Thursday February 6, 2025 11:21 am PST by
If you pay for iCloud storage on your iPhone, Apple has a new perk for you, at no additional cost. iCloud+ is the official name for Apple's paid iCloud storage plans, which range from 50GB for $0.99 per month to 12TB for $59.99 per month in the United States. iCloud+ plans already come with multiple perks for free, such as Hide My Email and HomeKit Secure Video, and now there is another one...

Top Rated Comments

ArPe Avatar
51 months ago
If you don’t see the update:

1 Open Music app ?

2 Play Easy Listening for 1 hour ?

3 Open Software Update

You should see the update now.
Score: 37 Votes (Like | Disagree)
masterleep Avatar
51 months ago
Why are macOS bug fix updates so giant to download compared to their iOS counterparts?
Score: 15 Votes (Like | Disagree)
JBinATL Avatar
51 months ago
All of these point updates are making it a real joy in the enterprise.
Score: 12 Votes (Like | Disagree)
SkyRom Avatar
51 months ago
I used to not care about this much, but Big Sur has been so awful and buggy for my business that I'm pushing every upgrade ASAP. Maybe they'll finally finish this operating system by the time the new MacBook Pros launch. ?
Score: 12 Votes (Like | Disagree)
swrobel Avatar
51 months ago
It’s absurd to me that patching the browser requires an OS update. I mean, come on Apple, you created the App Store, a seemingly perfect tool for update single applications like this without requiring a reboot ?
Score: 11 Votes (Like | Disagree)
tywebb13 Avatar
51 months ago
macos 11.2.3 link

http://swcdn.apple.com/content/downloads/12/32/071-14766-A_Q2H6ELXGVG/zx8saim8tei7fezrmvu4vuab80m0e8a5ll/InstallAssistant.pkg

safari 14.0.3 for catalina link

http://swcdn.apple.com/content/downloads/15/11/071-10831-A_F9U2DK6CTY/iiqyne50g2xt78rc08bnt49yykpo4n3cg7/Safari14.0.3CatalinaAuto.pkg

safari 14.0.3 for mojave link

http://swcdn.apple.com/content/downloads/44/11/071-10830-A_HVHGD91GPY/cr9a8oy39eao60prj4iwtho4s7w7l5cmm7/Safari14.0.3MojaveAuto.pkg

Actually the macos 11.2.2 and 11.2.1 full installers are still available too in case you need to downgrade:

11.2.2 link:

http://swcdn.apple.com/content/downloads/37/23/071-08935-A_VI70PU5ZSV/dxl5i8eyczg8zje0wiks3r03r91euyi9sa/InstallAssistant.pkg

11.2.1 link:

http://swcdn.apple.com/content/downloads/00/60/071-05432-A_QOY2QE0UMR/puuz6c0epc7o0ozyovvi6tjxhzpf6uf04s/InstallAssistant.pkg
Score: 10 Votes (Like | Disagree)