VulnerabilityModified
CVE-2025-43400
An out-of-bounds write issue was addressed with improved bounds checking.
MEDIUM 6.3EPSS 6.44%
Does this matter?
Lower severity and a low EPSS score (6.44%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- EPSS
- 6.44% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/ipados · apple/iphone os · apple/macos · apple/visionos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/125326
- https://support.apple.com/en-us/125327
- https://support.apple.com/en-us/125328
- https://support.apple.com/en-us/125329
- https://support.apple.com/en-us/125330
- https://support.apple.com/en-us/125338
- https://support.apple.com/en-us/125637
- https://support.apple.com/en-us/125639
- http://seclists.org/fulldisclosure/2025/Sep/73
- http://seclists.org/fulldisclosure/2025/Sep/76
- http://seclists.org/fulldisclosure/2025/Sep/78
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.