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Debian Security Advisory DSA-5870-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
February 26, 2025                     https://www.debian.org/security/faq
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Package        : openh264
CVE ID         : CVE-2025-27091
Debian Bug     : 1098470

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 of service or the execution of
arbitrary code if a specially crafted video is processed.

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/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/

Mailing list: debian-security-announce@lists.debian.org
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