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Alerts This Week
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Debian 11 libde265 Vulnerability DLA-4550-1 Denial of Service Risk

debian lts
Calendar Grey April 27, 2026
Dist Debian Esm H88
Upgrade libde265 to patch critical vulnerabilities in Debian 11 bullseye affecting H.265 video codec implementation.
It was found that libde265, an open source implementation of the H.265 video codec, had multiple vulnerabilities which could lead to both stack and heap out of bound writes that co...
Topics%20covered

Topics Covered

security advisory denial of service update critical debian libde265

Summary

For Debian 11 bullseye, these problems have been fixed in version
1.0.11-0+deb11u4.

We recommend that you upgrade your libde265 packages.

For the detailed security status of libde265 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libde265

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



Severity
critical
Lowest
Low
Medium
High
Critical

Package: libde265
Version: 1.0.11-0+deb11u4
CVE ID: CVE-2023-51792 CVE-2026-33164 CVE-2026-33165
Debian Bug: 1131468 1131469

Topics%20covered

Topics Covered

security advisory denial of service update critical debian libde265

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