CCID: Integer overflow, leading to array index error when processing crafted serial number of certain cards

Signedness error in ccidserial.c in libccid in the USB Chip/Smart Card Interface Devices CCID driver, as used in pcscd in PCSC-Lite 1.5.3 and possibly other products, allows physically proximate attackers to execute arbitrary code via a smart card with a crafted serial number that causes a negati...