{"id":"DEBIAN-CVE-2009-3287","details":"lib/thin/connection.rb in Thin web server before 1.2.4 relies on the X-Forwarded-For header to determine the IP address of the client, which allows remote attackers to spoof the IP address and hide activities via a modified X-Forwarded-For header.","modified":"2026-09-22T16:47:29.610351652Z","published":"2009-09-22T10:30:00.640Z","upstream":["CVE-2009-3287"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2009-3287"}],"affected":[{"package":{"name":"thin","ecosystem":"Debian:12","purl":"pkg:deb/debian/thin?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-3287.json"}},{"package":{"name":"thin","ecosystem":"Debian:13","purl":"pkg:deb/debian/thin?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-3287.json"}},{"package":{"name":"thin","ecosystem":"Debian:14","purl":"pkg:deb/debian/thin?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.4-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2009-3287.json"}}],"schema_version":"1.9.0"}