{"id":"DEBIAN-CVE-2010-1194","details":"The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.","modified":"2026-09-18T06:47:36.858329319Z","published":"2010-03-31T18:00:00.703Z","upstream":["CVE-2010-1194"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2010-1194"}],"affected":[{"package":{"name":"libesmtp","ecosystem":"Debian:12","purl":"pkg:deb/debian/libesmtp?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-1194.json"}},{"package":{"name":"libesmtp","ecosystem":"Debian:13","purl":"pkg:deb/debian/libesmtp?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-1194.json"}},{"package":{"name":"libesmtp","ecosystem":"Debian:14","purl":"pkg:deb/debian/libesmtp?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.4-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-1194.json"}}],"schema_version":"1.9.0"}