Out-of-bounds Read Affecting libde265 package, versions <1.0.2-2ubuntu0.18.04.1~esm2


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
1.16% (63rd percentile)

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  • Snyk IDSNYK-UBUNTU1804-LIBDE265-2336935
  • published22 Mar 2026
  • disclosed10 Jan 2022

Introduced: 10 Jan 2022

CVE-2021-36411  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 libde265 to version 1.0.2-2ubuntu0.18.04.1~esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libde265 package and not the libde265 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

An issue has been found in libde265 v1.0.8 due to incorrect access control. A SEGV caused by a READ memory access in function derive_boundaryStrength of deblock.cc has occurred. The vulnerability causes a segmentation fault and application crash, which leads to remote denial of service.

CVSS Base Scores

version 3.1