{"id":"UBUNTU-CVE-2014-1580","details":"Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.","modified":"2026-04-22T09:35:39.519693Z","published":"2014-10-14T00:00:00Z","related":["USN-2372-1"],"upstream":["CVE-2014-1580"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-1580"},{"type":"REPORT","url":"https://www.mozilla.org/security/announce/2014/mfsa2014-78.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2372-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-1580"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/firefox@33.0+build2-0ubuntu0.14.04.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"33.0+build2-0ubuntu0.14.04.1"}]}],"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","30.0+build1-0ubuntu0.14.04.3","31.0+build1-0ubuntu0.14.04.1","32.0+build1-0ubuntu0.14.04.1","32.0.3+build1-0ubuntu0.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"33.0+build2-0ubuntu0.14.04.1","binary_name":"firefox"},{"binary_version":"33.0+build2-0ubuntu0.14.04.1","binary_name":"firefox-globalmenu"},{"binary_version":"33.0+build2-0ubuntu0.14.04.1","binary_name":"firefox-mozsymbols"},{"binary_version":"33.0+build2-0ubuntu0.14.04.1","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-2014-1580.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}