CVE-2021-42779

Publication date 18 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.

Show unmaintained releases

Package	Ubuntu Release	Status
opensc	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Ignored end of life, was needs-triage
	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	Ignored end of standard support, was ignored [changes too intrusive]
	18.04 LTS bionic	Ignored end of standard support, was needs-triage
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Ignored end of standard support

CVSS version: CVSS v3.0

Base score 5.3 · Medium

Base metrics

Scores

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L