CVE-2020-21597

Publication date 16 September 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

libde265 v1.0.4 contains a heap buffer overflow in the mc_chroma function, which can be exploited via a crafted a file.

Show unmaintained releases

Package	Ubuntu Release	Status
libde265	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored end of life
	21.04 hirsute	Ignored end of life
	20.04 LTS focal	Fixed 1.0.4-1ubuntu0.1
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release