Session Fixation

firefox is vulnerable to session fixation. The vulnerability exists as firefox does not properly interpret Set-Cookie headers within response that have a 407 status code...

UBUNTU-CVE-2013-2503

Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server data stream, which makes it easier for remote HTTP servers to spoof the intended proxy service via a 407 aka Proxy Authentication Required HTTP status code...

Mozilla: Phishing on HTTPS connection through malicious proxy (MFSA 2013-27)

Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a 407 HTTP status code accompanied by web...