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CVE-2021-42781

opensc: Heap buffer overflow in pkcs15-oberthur.c

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Severity

Low

Red Hat Product Security

2

CVSS 3.1

Review impact separately from score.

Published · March 18, 2021

Updated · November 21, 2025

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 2
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer