Apple Safari before 3.1.1, when running on Windows XP or Vista, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file download with a crafted file name, which triggers memory corruption.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41864
http://www.vupen.com/english/advisories/2008/0979/references
http://www.securitytracker.com/id?1019868
http://www.securityfocus.com/bid/28813
http://www.kb.cert.org/vuls/id/529441
http://support.apple.com/kb/HT1467
http://lists.apple.com/archives/security-announce/2008/Apr/msg00001.html