{"id":"CVE-2009-1889","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-1889","generatedAt":"2026-10-27T18:48:05.324Z","title":"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…","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.","published":"2009-07-01T13:00:01.000Z","lastModified":"2026-06-16T23:08:17.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":["CWE-399"],"affected":["pidgin/pidgin"],"epss":{"score":0.03377,"percentile":0.88688,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.38%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://developer.pidgin.im/ticket/9483","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://pidgin.im/pipermail/devel/2009-May/008227.html","tags":["Patch"],"source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/35693","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/35697","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/35706","source":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/37071","source":"secalert@redhat.com"},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1139.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/35530","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-796-1","source":"secalert@redhat.com"},{"url":"http://www.vupen.com/english/advisories/2009/1749","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=508738","source":"secalert@redhat.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/51448","source":"secalert@redhat.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10004","source":"secalert@redhat.com"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00162.html","source":"secalert@redhat.com"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00176.html","source":"secalert@redhat.com"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00228.html","source":"secalert@redhat.com"},{"url":"http://developer.pidgin.im/ticket/9483","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://pidgin.im/pipermail/devel/2009-May/008227.html","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/35693","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/35697","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/35706","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/37071","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.redhat.com/support/errata/RHSA-2009-1139.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/35530","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-796-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/1749","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=508738","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/51448","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10004","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00162.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00176.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00228.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-1889","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}