{"id":"CVE-2011-4320","aliases":["GHSA-2h3q-v47h-f4rc"],"url":"https://o3.security/vulnerability/CVE-2011-4320","summary":"Ejabberd DoS via malformed stanza","details":"The mod_pubsub module (mod_pubsub.erl) in ejabberd 2.1.8 and 3.0.0-alpha-3 allows remote authenticated users to cause a denial of service (infinite loop) via a stanza with a publish tag that lacks a node attribute.","published":"2012-02-18T00:55:02Z","modified":"2026-04-10T03:42:04.243551Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Hex","name":"ejabberd","fixedVersion":"2.1.9"},{"ecosystem":"Hex","name":"ejabberd","fixedVersion":"3.0.0-alpha-4"}],"fix":{"url":"https://github.com/processone/ejabberd/commit/d3c4eab46f3cd54f7686cfed740d9c130b6801cf","label":"processone/ejabberd@d3c4eab"},"references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/46915"},{"type":"FIX","url":"https://support.process-one.net/browse/EJAB-1498"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/11/19/1"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/11/19/2"},{"type":"WEB","url":"http://www.osvdb.org/77302"},{"type":"WEB","url":"http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4320"},{"type":"WEB","url":"https://github.com/processone/ejabberd/commit/d3c4eab46f3cd54f7686cfed740d9c130b6801cf"},{"type":"WEB","url":"https://github.com/processone/ejabberd/commit/d5b4d6785879f0a5192c26f5b5e218aec8104798"},{"type":"PACKAGE","url":"https://github.com/processone/ejabberd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:42:04.243551Z"}}