{"id":"DEBIAN-CVE-2013-2503","details":"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.","modified":"2026-09-01T20:03:16.512962443Z","published":"2013-03-11T17:55:01.830Z","upstream":["CVE-2013-2503"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2013-2503"}],"affected":[{"package":{"name":"privoxy","ecosystem":"Debian:12","purl":"pkg:deb/debian/privoxy?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.21-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-2503.json"}},{"package":{"name":"privoxy","ecosystem":"Debian:13","purl":"pkg:deb/debian/privoxy?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.21-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-2503.json"}},{"package":{"name":"privoxy","ecosystem":"Debian:14","purl":"pkg:deb/debian/privoxy?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.21-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2013-2503.json"}}],"schema_version":"1.9.0"}