Name: CVE-2021-42781: Improper Restriction of Operations within the Bounds of a Memory Buffer
Published: 2022-04-18T00:00:00.000Z
Keywords: CVE, CVE-2021-42781, CWE-119, CWE-787, CVSS 5.3, EPSS 0.02805

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 Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon Linux Ami 2	View advisory ↗	amazon-linux-ami-2-upgrade-openscamazon-linux-ami-2-upgrade-opensc-debuginfo	Jul 4, 2023	Apr 18, 2022
Debian	View advisory ↗	debian-upgrade-opensc	Jun 22, 2023	Apr 18, 2022
Gentoo Linux	View advisory ↗	gentoo-linux-upgrade-dev-libs-opensc	Sep 8, 2022	Apr 18, 2022
Redhat_linux	—	no-fix-redhat-rpm-package	Jul 9, 2025	Apr 18, 2022
Suse	—	suse-upgrade-openscsuse-upgrade-opensc-32bit	Oct 30, 2021	Oct 29, 2021

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