An out-of-bounds write issue was addressed with improved bounds checking.

About the security content of iOS 15.8.5 and iPadOS 15.8.5

iOS 15.8.5 and iPadOS 15.8.5
Released September 15, 2025

ImageIO
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation)

Impact: Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2025-43300: Apple