CVE-2021-42782: Fedoraproject Fedora

Medium severity, CVSS 5.3. EPSS: 2.8% chance of exploitation in the next 30 days.

Stack buffer overflow issues were found in Opensc before version 0.22.0 in various places 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)

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