Make Sure to Update: iOS 18.1.1 and macOS Sequoia 15.1.1 Fix Actively Exploited Vulnerabilities

The iOS 18.1.1, iPadOS 18.1.1, and macOS Sequoia 15.1.1 updates that Apple released today address JavaScriptCore and WebKit vulnerabilities that Apple says have been actively exploited on some devices.

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With the JavaScriptCore vulnerability, processing maliciously crafted web content could lead to arbitrary code execution. The WebKit vulnerability had the same issue with maliciously crafted web content, and it could lead to a cross site scripting attack.

Apple says that it is aware of reports that these two issues may have been actively exploited on Intel-based Mac systems. While the vulnerabilities are only known to have impacted older Macs, other devices are vulnerable to attack because they have the same security flaws.

For that reason, it is a good idea to update your devices to the latest software as soon as possible.

Related Roundups: iOS 18, iPadOS 18, macOS Sequoia
Related Forums: iOS 18, iPadOS 18, macOS Sequoia

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Top Rated Comments

TheDailyApple Avatar
3 hours ago at 11:34 am
Do these vulnerabilities affect iOS 17.x.x and macOS 14.x.x?
Score: 7 Votes (Like | Disagree)
ignatius345 Avatar
3 hours ago at 11:49 am
Whatever happened to those Rapid Security Response patches they were supposed to be able to deploy quickly? Are those being used? I see so many urgent system updates, but I can't remember getting a Rapid Security Response thing automatically.
Score: 5 Votes (Like | Disagree)
Lizzard899 Avatar
3 hours ago at 11:05 am
They didnt fix any bugs....I feel like they just pushed it out for Thanksgiving. IOS 18 has been a mess. Messed up icloud storage (doesn't collabrate the correct number), issues with messages app where messages show up as group text when its only 1 single text between me and 1 other person. The list goes on and on. I bet the notes app isn't fixed either
Score: 4 Votes (Like | Disagree)
Gazza123 Avatar
3 hours ago at 11:11 am
Still waiting for 18.2 beta 4 to get released.
Score: 3 Votes (Like | Disagree)
winxmac Avatar
3 hours ago at 11:52 am

Whatever happened to those Rapid Security Response patches they were supposed to be able to deploy quickly? Are those being used? I see so many urgent system updates, but I can't remember getting a Rapid Security Response thing automatically.
iOS 16 was the only major version that had rapid security response
Score: 3 Votes (Like | Disagree)
decafjava Avatar
3 hours ago at 11:55 am

They didnt fix any bugs....I feel like they just pushed it out for Thanksgiving. IOS 18 has been a mess. Messed up icloud storage (doesn't collabrate the correct number), issues with messages app where messages show up as group text when its only 1 single text between me and 1 other person. The list goes on and on. I bet the notes app isn't fixed either
Not supposed to I understand, just plug a vulnerability.
Score: 3 Votes (Like | Disagree)