CVE-2021-42781: Fedoraproject Fedora

Medium severity, CVSS 5.3. EPSS: 2.9% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 33 only
• Opensc Project Opensc: before 0.22.0 (fixed in 0.22.0)
• Red Hat Enterprise Linux: version 7.0 only

Published 2022-04-18. Last modified 2026-06-17.