The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, macOS Sequoia 15.6, iOS 18.6 and iPadOS 18.6, tvOS 18.6, watchOS 11.6, visionOS 2.6. 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/124152 | release notes vendor advisory |
| https://support.apple.com/en-us/124149 | release notes vendor advisory |
| https://support.apple.com/en-us/124153 | release notes vendor advisory |
| https://support.apple.com/en-us/124154 | release notes vendor advisory |
| https://support.apple.com/en-us/124155 | release notes vendor advisory |
| https://support.apple.com/en-us/124147 | release notes vendor advisory |