{"id":"DEBIAN-CVE-2007-4996","details":"libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of \"an invalid memory location.\"","modified":"2026-09-01T20:02:28.025807926Z","published":"2007-10-01T20:17:00Z","upstream":["CVE-2007-4996"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2007-4996"}],"affected":[{"package":{"name":"pidgin","ecosystem":"Debian:12","purl":"pkg:deb/debian/pidgin?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-4996.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:13","purl":"pkg:deb/debian/pidgin?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-4996.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:14","purl":"pkg:deb/debian/pidgin?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1"}]}],"ecosystem_specific":{"urgency":"medium"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2007-4996.json"}}],"schema_version":"1.9.0"}