Buffer overflow in macOS - CVE-2025-43277
Published: July 30, 2025
Vulnerability identifier: #VU113518
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43277
CWE-ID: CWE-119
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 CoreAudio when processing media files. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
macOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS
How to mitigate CVE-2025-43277
Install updates from vendor's website.
macOS - addressed in versions 15.6 24G84, 14.8 23J21
visionOS - update to 2.6
watchOS - update to 11.6
tvOS - update to 18.6
iPadOS - update to 18.6 22G86
Apple iOS - update to 18.6 22G86
visionOS - update to 2.6
watchOS - update to 11.6
tvOS - update to 18.6
iPadOS - update to 18.6 22G86
Apple iOS - update to 18.6 22G86