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.
Published: 2022-04-18
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3463-1 opensc security update
Debian DLA Debian DLA DLA-4004-1 opensc security update
EUVD EUVD EUVD-2021-29737 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.
History

Mon, 03 Nov 2025 22:30:00 +0000

Type Values Removed Values Added
References

Subscriptions

Fedoraproject Fedora
Opensc Project Opensc
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-03T21:45:30.959Z

Reserved: 2021-10-21T00:00:00.000Z

Link: CVE-2021-42781

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-04-18T17:15:16.303

Modified: 2025-11-03T22:15:52.630

Link: CVE-2021-42781

cve-icon Redhat

Severity : Low

Publid Date: 2021-03-18T00:00:00Z

Links: CVE-2021-42781 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses