CFNetwork in Apple Mac OS X 10.4.11 allows remote HTTPS proxy servers to spoof secure websites via data in a 502 Bad Gateway error.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41313
http://www.vupen.com/english/advisories/2008/2094/references
http://www.vupen.com/english/advisories/2008/0924/references
http://www.vupen.com/english/advisories/2008/0920/references
http://www.us-cert.gov/cas/techalerts/TA08-079A.html
http://www.securitytracker.com/id?1019655
http://www.securityfocus.com/bid/28356
http://www.securityfocus.com/bid/28290
http://secunia.com/advisories/31074
http://secunia.com/advisories/29420
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://lists.apple.com/archives/security-announce/2008//Jul/msg00001.html