Use-after-free in libde265 - CVE-2021-36408

 

Use-after-free in libde265 - CVE-2021-36408

Published: February 14, 2024 / Updated: February 27, 2024


Vulnerability identifier: #VU86491
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-36408
CWE-ID: CWE-416
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 use-after-free error in intrapred.h when decoding file using dec265. A remote attacker can pass a specially crafted file to the application and perform a denial of service (DoS) attack.



Affected software

libde265
Ubuntu
libde265-0 (Ubuntu package)

How to mitigate CVE-2021-36408

Install updates from vendor's website.

libde265 - update to 1.0.9
libde265-0 (Ubuntu package) - addressed in versions Ubuntu Pro, 1.0.4-1ubuntu0.1, 1.0.4-1ubuntu0.2, 1.0.8-1ubuntu0.1

External References

Related Security Bulletins