Heap-based buffer overflow in macOS - CVE-2025-43353

 

Heap-based buffer overflow in macOS - CVE-2025-43353

Published: September 16, 2025


Vulnerability identifier: #VU115337
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43353
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in libinfo. A remote attacker can trick the victim into opening a specially crafted image file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

macOS

How to mitigate CVE-2025-43353

Install updates from vendor's website.

macOS - addressed in versions 15.7 24G222, 14.8 23J21, 26.0 25A354

External References

Related Security Bulletins