Mozilla: Proxy Auto-Configuration file can define localhost access to be proxied

When proxy auto-detection is enabled, if a web server serves a Proxy Auto-Configuration PAC file or if a PAC file is loaded locally, this PAC file can specify that requests to the localhost are to be sent through the proxy to another server. This behavior is disallowed by default when a proxy is...

UBUNTU-CVE-2017-6410

kpac/script.cpp in KDE kio before 5.32 and kdelibs before 4.14.30 calls the PAC FindProxyForURL function with a full https URL potentially including Basic Authentication credentials, a query string, or PATHINFO, which allows remote attackers to obtain sensitive information via a crafted PAC file...