Out-of-bounds write in macOS - CVE-2025-43237

 

Out-of-bounds write in macOS - CVE-2025-43237

Published: July 30, 2025


Vulnerability identifier: #VU113499
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-2025-43237
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 WebContentFilter. A local application can cause unexpected system termination.


Affected software

macOS

How to mitigate CVE-2025-43237

Install update from vendor's website.

macOS - update to 15.6 24G84

External References

Related Security Bulletins