{"id":"UBUNTU-CVE-2011-3443","details":"Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.6, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and application crash) via vectors related to improper list management for Cascading Style Sheets (CSS) @font-face rules.","modified":"2026-04-22T09:09:33.636361Z","published":"2012-03-02T00:55:00Z","upstream":["CVE-2011-3443"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2011-3443"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2011-3443"}],"affected":[{"package":{"name":"qtwebkit-source","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qtwebkit-source@2.3.2-0ubuntu11?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.2-0ubuntu10","2.3.2-0ubuntu11"],"ecosystem_specific":{"binaries":[{"binary_name":"libqtwebkit-qmlwebkitplugin","binary_version":"2.3.2-0ubuntu11"},{"binary_name":"libqtwebkit4","binary_version":"2.3.2-0ubuntu11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2011/UBUNTU-CVE-2011-3443.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}