{"id":"UBUNTU-CVE-2010-3821","details":"WebKit in Apple Safari before 5.0.3 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1.3 on Mac OS X 10.4, does not properly handle the :first-letter pseudo-element in a Cascading Style Sheets (CSS) token sequence, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.","modified":"2026-04-22T08:47:23.460032Z","published":"2010-11-22T13:00:00Z","upstream":["CVE-2010-3821"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2010-3821"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2010-3821"}],"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/2010/UBUNTU-CVE-2010-3821.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}