Memory corruption in macOS - CVE-2025-43209

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Main Vulnerability Database Vulnerabilities #VU113469

Memory corruption in macOS - CVE-2025-43209

Published: July 30, 2025


Vulnerability identifier: #VU113469
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43209
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in ICU. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


Affected software

macOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS

How to mitigate CVE-2025-43209

Install update from vendor's website.

macOS - addressed in versions 15.6 24G84, 13.7.7 22H722, 14.7.7 23H723
visionOS - update to 2.6
watchOS - update to 11.6
tvOS - update to 18.6
iPadOS - addressed in versions 17.7.9, 18.6 22G86
Apple iOS - update to 18.6 22G86

External References

Related Security Bulletins