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Status published
Medium
CVE-2021-42782
Stack buffer overflow issues were found in Opensc before version...
Vulnerability Description
Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places 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.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2016448
- https://github.com/OpenSC/OpenSC/commit/78cdab94
- https://github.com/OpenSC/OpenSC/commit/7114fb71
- https://github.com/OpenSC/OpenSC/commit/1252aca9
- https://github.com/OpenSC/OpenSC/commit/ae1cf0be
- https://github.com/OpenSC/OpenSC/commit/456ac566
- 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