Buffer overflow in Adobe Media Encoder - CVE-2021-42721

 

Buffer overflow in Adobe Media Encoder - CVE-2021-42721

Published: December 16, 2021


Vulnerability identifier: #VU59038
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42721
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 when processing M4A files. A remote attacker can create a specially crafted M4A 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

Adobe Media Encoder

How to mitigate CVE-2021-42721

Install updates from vendor's website.

Adobe Media Encoder - update to 15.4.1

External References

Related Security Bulletins