Panda Software Antivirus before 20070402 allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34080
http://www.vupen.com/english/advisories/2007/1700
http://www.securityfocus.com/archive/1/467646/100/0/threaded