CVE-2020-21596

Publication date 16 September 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libde265	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	Fixed 1.0.2-2ubuntu0.18.04.1~esm1 Ubuntu Pro
	16.04 LTS xenial	Fixed 1.0.2-2ubuntu0.16.04.1~esm1 Ubuntu Pro
	14.04 LTS trusty	Not in release

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Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-6617-1
libde265 vulnerabilities
30 January 2024