CVE-2021-42781

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

Description

Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.

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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://bugzilla.redhat.com/show_bug.cgi?id=2016439
Source: secalert@redhat.com
Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/05648b06
Source: secalert@redhat.com
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/17d8980c
Source: secalert@redhat.com
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/40c50a3a
Source: secalert@redhat.com
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/5d4daf6c
Source: secalert@redhat.com
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/cae5c71f
Source: secalert@redhat.com
Patch Third Party Advisory
https://security.gentoo.org/glsa/202209-03
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016439
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/05648b06
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/17d8980c
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/40c50a3a
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/5d4daf6c
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/cae5c71f
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://security.gentoo.org/glsa/202209-03
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

17 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
27th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

opensc_project fedoraproject redhat