CVE-2025-43400
MEDIUM EPSS 92.9%
Published Sep 29, 20259mo ago · Modified Jun 17, 20261w ago
6.3 CVSS 3.1
Published Sep 29, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago
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 Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity Low
Availability Low
Threat Intelligence
EPSS Exploit Probability
92.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 8
References 11
- seclists.org http://seclists.org/fulldisclosure/2025/Sep/73
- seclists.org http://seclists.org/fulldisclosure/2025/Sep/76
- seclists.org http://seclists.org/fulldisclosure/2025/Sep/78
- support.apple.com https://support.apple.com/en-us/125326
- support.apple.com https://support.apple.com/en-us/125327
- support.apple.com https://support.apple.com/en-us/125328
- support.apple.com https://support.apple.com/en-us/125329
- support.apple.com https://support.apple.com/en-us/125330
- support.apple.com https://support.apple.com/en-us/125338
- support.apple.com https://support.apple.com/en-us/125637
- support.apple.com https://support.apple.com/en-us/125639
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.