CVE-2010-4531: Muscle Pcsc-Lite

Medium severity, CVSS 4.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the ATRDecodeAtr function in the Answer-to-Reset (ATR) Handler (atrhandler.c) for pcscd in PCSC-Lite 1.5.3, and possibly other 1.5.x and 1.6.x versions, allows physically proximate attackers to cause a denial of service (crash) and possibly execute arbitrary code via a smart card with an ATR message containing a long attribute value.

Affected products

• Muscle Pcsc-Lite: version 1.5.3 only

Published 2011-01-18. Last modified 2026-06-16.