{"id":"DEBIAN-CVE-2011-4603","details":"The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.","modified":"2026-09-14T06:47:22.425024453Z","published":"2011-12-17T03:54:46.120Z","upstream":["CVE-2011-4603"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2011-4603"}],"affected":[{"package":{"name":"pidgin","ecosystem":"Debian:12","purl":"pkg:deb/debian/pidgin?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.1-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-4603.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:13","purl":"pkg:deb/debian/pidgin?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.1-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-4603.json"}},{"package":{"name":"pidgin","ecosystem":"Debian:14","purl":"pkg:deb/debian/pidgin?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.1-1"}]}],"ecosystem_specific":{"urgency":"low"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-4603.json"}}],"schema_version":"1.9.0"}