CVE-2009-4902: Muscle Pcsc-Lite

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Buffer overflow in the MSGFunctionDemarshall function in winscard_svc.c in the PC/SC Smart Card daemon (aka PCSCD) in MUSCLE PCSC-Lite 1.5.4 and earlier might allow local users to gain privileges via crafted SCARD_CONTROL message data, which is improperly demarshalled. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-0407.

Affected products

• Muscle Pcsc-Lite: up to and including 1.5.4; version 1.1.2 only; version 1.2.0 only; version 1.2.9 only; version 1.3.0 only; version 1.3.1 only; …

Published 2010-06-18. Last modified 2026-06-16.