{"id":"CVE-2009-1889","aliases":["DEBIAN-CVE-2009-1889","EUVD-2009-1884","GHSA-2pp9-7rv9-4rpg","RHSA-2009:1139"],"status":"published","title":"The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message...","description":"The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03377,"percentile":0.88854,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2009-07-01T12:26:00Z","modified":"2026-10-23T17:47:22Z","fixes":[{"ecosystem":"Debian:12","package":"pidgin","fixed_in":["2.5.8-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pidgin","fixed_in":["2.5.8-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pidgin","fixed_in":["2.5.8-1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"finch","fixed_in":["0:2.5.8-1.el4"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:4::as","package":"finch-devel","fixed_in":["0:2.5.8-1.el4"],"sources":["osv"]},{"ecosystem":"Red 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