CVE-2020-26570: Debian Linux

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The Oberthur smart card software driver in OpenSC before 0.21.0-rc1 has a heap-based buffer overflow in sc_oberthur_read_file.

Affected products

• Debian Debian Linux: version 9.0 only
• Fedoraproject Fedora: version 33 only
• Opensc Project Opensc: up to and including 0.20.0

Published 2020-10-06. Last modified 2026-06-17.