PCSC-Lite is a PC/SC Architecture smartcard middleware library.
PCSC-Lite contains a stack-based buffer overflow in the ATRDecodeAtr function in the Answer-to-Reset Handler (atrhandler.c).
A physically proximate attacker could execute arbitrary code or cause a Denial of Service condition.
There is no known workaround at this time.
All PCSC-Lite users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/pcsc-lite-1.6.6"
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since January 10, 2011. It is likely that your system is already no longer affected by this issue.