Out-of-bounds write in macOS - CVE-2022-26738
Published: May 16, 2022
Vulnerability identifier: #VU63240
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-2022-26738
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in AVEVideoEncoder. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
macOS
Apple iOS
iPadOS
tvOS
Apple iOS
iPadOS
tvOS
How to mitigate CVE-2022-26738
Install updates from vendor's website.
macOS - update to 12.4 21F79
Apple iOS - update to 15.5 19F77
iPadOS - update to 15.5 19F77
tvOS - update to 15.5 19L570
Apple iOS - update to 15.5 19F77
iPadOS - update to 15.5 19F77
tvOS - update to 15.5 19L570