Integer signedness error in the administrative interface for Symantec AntiVirus Scan Engine 4.0 and 4.3 allows remote attackers to execute arbitrary code via crafted HTTP headers with negative values, which lead to a heap-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/22519
http://www.vupen.com/english/advisories/2005/1954
http://www.symantec.com/avcenter/security/Content/2005.10.04.html
http://www.securityfocus.com/bid/15001
http://www.kb.cert.org/vuls/id/849209
http://www.idefense.com/application/poi/display?id=314&type=vulnerabilities
http://securitytracker.com/id?1015001