An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing a maliciously crafted video file may lead to unexpected app termination.
https://thehackernews.com/2025/09/apple-backports-fix-for-cve-2025-43300.html
https://support.apple.com/en-us/125116
https://support.apple.com/en-us/125115
https://support.apple.com/en-us/125114
https://support.apple.com/en-us/125112
https://support.apple.com/en-us/125111
https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125109
https://support.apple.com/en-us/125108
http://seclists.org/fulldisclosure/2025/Sep/58
http://seclists.org/fulldisclosure/2025/Sep/57
http://seclists.org/fulldisclosure/2025/Sep/56
http://seclists.org/fulldisclosure/2025/Sep/55
http://seclists.org/fulldisclosure/2025/Sep/54