The issue was addressed with improved memory handling. This issue is fixed in visionOS 2.4, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, Safari 18.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
| Link | Tags |
|---|---|
| https://support.apple.com/en-us/122377 | vendor advisory |
| https://support.apple.com/en-us/122371 | vendor advisory |
| https://support.apple.com/en-us/122372 | vendor advisory |
| https://support.apple.com/en-us/122373 | vendor advisory |
| https://support.apple.com/en-us/122378 | vendor advisory |
| https://support.apple.com/en-us/122379 | vendor advisory |