CVE-2021-42780

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-252

Affected software

Vendor	Product	Versions
n/a	opensc	opensc 0.22.0

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383Issue Tracking, Mailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016139Issue Tracking, Patch, Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/5df913b7Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
https://security.gentoo.org/glsa/202209-03Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383Issue Tracking, Mailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2016139Issue Tracking, Patch, Third Party Advisory
https://github.com/OpenSC/OpenSC/commit/5df913b7Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
https://security.gentoo.org/glsa/202209-03Third Party Advisory

Timeline

Published: Apr 18, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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