CVE-2023-49467

Publication date 7 December 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Libde265 v1.0.14 was discovered to contain a heap-buffer-overflow vulnerability in the derive_combined_bipredictive_merging_candidates function at motion.cc.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libde265	24.04 LTS noble	Not affected
	23.10 mantic	Fixed 1.0.12-2ubuntu0.1
	23.04 lunar	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 1.0.8-1ubuntu0.3
	20.04 LTS focal	Fixed 1.0.4-1ubuntu0.4
	18.04 LTS bionic	Fixed 1.0.2-2ubuntu0.18.04.1~esm4
	16.04 LTS xenial	Fixed 1.0.2-2ubuntu0.16.04.1~esm4
	14.04 LTS trusty	Ignored end of standard support

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Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-6677-1
libde265 vulnerabilities
5 March 2024