CVE-2021-42779

5.3 MEDIUM
Published: April 18, 2022 Modified: November 03, 2025
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843
Source: secalert@redhat.com
Issue Tracking Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016086
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/1db88374
Source: secalert@redhat.com
Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
Source: secalert@redhat.com
https://security.gentoo.org/glsa/202209-03
Source: secalert@redhat.com
Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016086
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/1db88374
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/202209-03
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

11 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-416 CWE-416

Affected Vendors

opensc_project fedoraproject redhat

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