Linux Distros Unpatched Vulnerability : CVE-2026-77711

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly...

CVE-2026-77711

When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the Proxy-Authentication header, which arrives to the serve...

EUVD-2026-101947

When Jetty's HttpClient make a request to a server through a forward proxy, the server may reply with a 407 Proxy Authentication Required. The client mistakenly interprets the 407 as coming from the proxy, so it re-sends the request with the Proxy-Authentication header, which arrives to the serve...

CVE-2015-4334

CVE-2015-4334 affects Blue Coat ProxySG SGOS when deployed as an explicit proxy. The default configuration forwards authentication challenges from upstream origin content servers, enabling a remote attacker to obtain sensitive information via HTTP 407 responses. Affected SGOS versions are before ...

CVE-2015-1229

Removed by vendor...

CVE-2015-1229: Undefined Security Weakness

net/http/proxyclientsocket.cc in Google Chrome before 41.0.2272.76 does not properly handle a 407 aka Proxy Authentication Required HTTP status code accompanied by a Set-Cookie header, which allows remote proxy servers to conduct cookie-injection attacks via a crafted response...

Session fixation

Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 aka Proxy Authentication Required status code, which allows remote HTTP proxy servers to conduct session...

Mozilla: Cookie injection through Proxy Authenticate responses (MFSA 2015-04)

Mozilla Firefox before 35.0, Firefox ESR 31.x before 31.4, Thunderbird before 31.4, and SeaMonkey before 2.32 do not properly interpret Set-Cookie headers within responses that have a 407 aka Proxy Authentication Required status code, which allows remote HTTP proxy servers to conduct session...

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...

Privoxy Proxy - Authentication Information Disclosure

Privoxy Proxy - Authentication Information Disclosure source: https://www.securityfocus.com/bid/58425/info Privoxy is prone to multiple information-disclosure vulnerabilities. Attackers can exploit these issues to gain access to the user accounts and potentially obtain sensitive information. This...