Medium severity6.3NVD Advisory· Published Sep 29, 2025· Updated Apr 2, 2026
CVE-2025-43400
CVE-2025-43400
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.
Affected products
7cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*range: <18.7.1
- cpe:2.3:o:apple:ipados:26.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*range: <18.7.1
- cpe:2.3:o:apple:iphone_os:26.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=14.0,<14.8.1
- cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
11- seclists.org/fulldisclosure/2025/Sep/73nvd
- seclists.org/fulldisclosure/2025/Sep/76nvd
- seclists.org/fulldisclosure/2025/Sep/78nvd
- support.apple.com/en-us/125326nvd
- support.apple.com/en-us/125327nvd
- support.apple.com/en-us/125328nvd
- support.apple.com/en-us/125329nvd
- support.apple.com/en-us/125330nvd
- support.apple.com/en-us/125338nvd
- support.apple.com/en-us/125637nvd
- support.apple.com/en-us/125639nvd
News mentions
0No linked articles in our index yet.