CVE-2021-42781

opensc: Heap buffer overflow in pkcs15-oberthur.c

Published Apr 18, 2022 CVSS 3.1 · 5.3 Medium EPSS 2.9% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

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.
Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer

  • CWE-787

    Out-of-bounds Write

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Nov 3, 2025, 9:45 PM
Reserved
Oct 21, 2021, 12:00 AM
Status
Modified
Published
Apr 18, 2022, 5:15 PM
Modified
Jun 17, 2026, 4:10 AM
Severity
Low
Public date
Mar 18, 2021, 12:00 AM