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Status published
Medium
CVE-2021-42781
Heap buffer overflow issues were found in Opensc before version...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2016439
- https://github.com/OpenSC/OpenSC/commit/17d8980c
- https://github.com/OpenSC/OpenSC/commit/40c50a3a
- https://github.com/OpenSC/OpenSC/commit/05648b06
- https://github.com/OpenSC/OpenSC/commit/5d4daf6c
- https://github.com/OpenSC/OpenSC/commit/cae5c71f
- https://security.gentoo.org/glsa/202209-03
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
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Affected Vendor
Affected Software
opensc
Vulnerable Versions:
opensc 0.22.0
Timeline
Official Publish:
April 18th, 2022
Last Modified:
November 3rd, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L