An integer underflow was addressed with improved input validation.

Summary

An integer underflow was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted image may result in memory corruption.

Remediation

1. Inventory every Apple iOS and iPadOS deployment, including staging.
2. Upgrade Apple iOS and iPadOS to the fixed version for your release line, listed under Affected versions.
3. Confirm the running version after the upgrade.

References

• Referencehttps://support.apple.com/en-us/149227
• Referencehttps://support.apple.com/en-us/149230
• Referencehttps://support.apple.com/en-us/149521
• Referencehttps://support.apple.com/en-us/149522
• Referencehttps://support.apple.com/en-us/149523