{"id":"UBUNTU-CVE-2014-1540","details":"Use-after-free vulnerability in the nsEventListenerManager::CompileEventHandlerInternal function in the Event Listener Manager in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted web content.","modified":"2026-04-22T09:34:00.943439Z","published":"2014-06-11T10:57:00Z","related":["USN-2243-1"],"upstream":["CVE-2014-1540"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-1540"},{"type":"REPORT","url":"http://www.mozilla.org/security/announce/2014/mfsa2014-51.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-1540"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2243-1"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@30.0+build1-0ubuntu0.14.04.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"30.0+build1-0ubuntu0.14.04.3"}]}],"versions":["24.0+build1-0ubuntu1","25.0+build3-0ubuntu0.13.10.1","28.0~b2+build1-0ubuntu2","28.0+build1-0ubuntu1","28.0+build2-0ubuntu1","28.0+build2-0ubuntu2","29.0+build1-0ubuntu0.14.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"30.0+build1-0ubuntu0.14.04.3","binary_name":"firefox"},{"binary_version":"30.0+build1-0ubuntu0.14.04.3","binary_name":"firefox-globalmenu"},{"binary_version":"30.0+build1-0ubuntu0.14.04.3","binary_name":"firefox-mozsymbols"},{"binary_version":"30.0+build1-0ubuntu0.14.04.3","binary_name":"firefox-testsuite"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-1540.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}