{"id":"DEBIAN-CVE-2011-1091","details":"libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.","modified":"2026-04-28T20:06:28.698262Z","published":"2011-03-14T19:55:02.620Z","upstream":["CVE-2011-1091"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2011-1091"}],"affected":[{"package":{"name":"pidgin","ecosystem":"Debian:11","purl":"pkg:deb/debian/pidgin?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.11-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1091.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:12","purl":"pkg:deb/debian/pidgin?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.11-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1091.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:13","purl":"pkg:deb/debian/pidgin?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.11-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1091.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:14","purl":"pkg:deb/debian/pidgin?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.11-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-1091.json"}}],"schema_version":"1.7.5"}