{"id":"DEBIAN-CVE-2010-0420","details":"libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing \u003cbr\u003e sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.","modified":"2026-09-18T06:47:25.301875832Z","published":"2010-02-24T18:30:00.420Z","upstream":["CVE-2010-0420"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2010-0420"}],"affected":[{"package":{"name":"pidgin","ecosystem":"Debian:12","purl":"pkg:deb/debian/pidgin?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.6-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0420.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:13","purl":"pkg:deb/debian/pidgin?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.6-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0420.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:14","purl":"pkg:deb/debian/pidgin?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.6-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0420.json"}}],"schema_version":"1.9.0"}