Use after free in macOS - CVE-2025-31239

Vulnerability identifier: #VU108939

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-2025-31239

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to a use-after-free error in CoreMedia. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected app termination.

macOS
visionOS
watchOS
iPadOS
tvOS
Apple iOS

Install update from vendor's website.

macOS - addressed in versions 15.5 24F74, 13.7.6 22H625, 14.7.6 23H626
visionOS - update to 2.5
watchOS - update to 11.5
iPadOS - addressed in versions 17.7.7, 18.5 22F76
tvOS - update to 18.5
Apple iOS - update to 18.5 22F76

• https://support.apple.com/en-us/122716
• https://www.zerodayinitiative.com/advisories/ZDI-25-302/

• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple macOS Ventura
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple visionOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple iOS 18 and iPadOS 18
• Multiple vulnerabilities in Apple iPadOS 17