CVE-2010-4523: Opensc-Project Opensc

High severity, CVSS 7.2. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in libopensc in OpenSC 0.11.13 and earlier allow physically proximate attackers to execute arbitrary code via a long serial-number field on a smart card, related to (1) card-acos5.c, (2) card-atrust-acos.c, and (3) card-starcos.c.

Affected products

• Opensc-Project Opensc: up to and including 0.11.13; version 0.3.2 only; version 0.3.5 only; version 0.4.0 only; version 0.5.0 only; version 0.6.0 only; …

Published 2011-01-07. Last modified 2026-06-16.