{"id":"DEBIAN-CVE-2010-1155","details":"Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate.","modified":"2026-09-18T06:47:25.629087096Z","published":"2010-04-16T19:30:00.350Z","upstream":["CVE-2010-1155"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2010-1155"}],"affected":[{"package":{"name":"irssi","ecosystem":"Debian:12","purl":"pkg:deb/debian/irssi?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2010-1155.json"}},{"package":{"name":"irssi","ecosystem":"Debian:13","purl":"pkg:deb/debian/irssi?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2010-1155.json"}},{"package":{"name":"irssi","ecosystem":"Debian:14","purl":"pkg:deb/debian/irssi?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.15-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2010-1155.json"}}],"schema_version":"1.9.0"}