Detections
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CVE-2021-42781

medium

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.

References

https://security.gentoo.org/glsa/202209-03

https://github.com/OpenSC/OpenSC/commit/cae5c71f

https://github.com/OpenSC/OpenSC/commit/5d4daf6c

https://github.com/OpenSC/OpenSC/commit/40c50a3a

https://github.com/OpenSC/OpenSC/commit/17d8980c

https://github.com/OpenSC/OpenSC/commit/05648b06

https://bugzilla.redhat.com/show_bug.cgi?id=2016439

https://github.com/takaaki-fukunaga/cvechecker

https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html

https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-29737

Details

Source: Mitre, NVD

Published: 2022-04-18

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Severity: Medium

EPSS

EPSS: 0.00092