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Debian 12: DSA-5870-1 critical: openh264 buffer overflow

debian
Calendar Grey February 26, 2025
Debian Logo
Ubuntu Security Notice USN-5820-1 brings attention to a critical vulnerability in libavcodec, advising users to apply updates for improved safety and performance.
A heap-based buffer overflow flaw in the decoding functions of openh264, a codec library which supports H.264 encoding and decoding, may allow a remote attacker to cause a denial o...
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Topics Covered

security advisory denial of service buffer overflow critical debian Debian codec openh264

Summary

For the stable distribution (bookworm), this problem has been fixed in
version 2.3.1+dfsg-3+deb12u1.

We recommend that you upgrade your openh264 packages.

For the detailed security status of openh264 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/openh264

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: openh264
CVE ID: CVE-2025-27091

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical debian Debian codec openh264

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