Out-of-bounds write in macOS - CVE-2025-43349

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Main Vulnerability Database Vulnerabilities #VU115260

Out-of-bounds write in macOS - CVE-2025-43349

Published: September 16, 2025


Vulnerability identifier: #VU115260
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43349
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to an out-of-bounds write in CoreAudio. A local application can trick the victim into opening a specially crafted file and perform unexpected app termination.


Affected software

macOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS

How to mitigate CVE-2025-43349

Install update from vendor's website.

macOS - addressed in versions 15.7 24G222, 14.8 23J21, 26.0 25A354
visionOS - update to 26.0 23M336
watchOS - update to 26.0 23R352
tvOS - update to 26.0 23J353
iPadOS - addressed in versions 18.7 22H20, 26.0 23A341
Apple iOS - addressed in versions 18.7 22H20, 26.0 23A341

External References

Related Security Bulletins