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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

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

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