{"id":"UBUNTU-CVE-2014-1721","details":"Google V8, as used in Google Chrome before 34.0.1847.116, does not properly implement lazy deoptimization, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via crafted JavaScript code, as demonstrated by improper handling of a heap allocation of a number outside the Small Integer (aka smi) range.","modified":"2026-04-22T09:36:40.304909Z","published":"2014-04-09T10:57:00Z","upstream":["CVE-2014-1721"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-1721"},{"type":"REPORT","url":"https://code.google.com/p/v8/source/detail?r=19834"},{"type":"REPORT","url":"https://code.google.com/p/chromium/issues/detail?id=350434"},{"type":"REPORT","url":"http://googlechromereleases.blogspot.com/2014/04/stable-channel-update.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-1721"}],"affected":[{"package":{"name":"libv8-3.14","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libv8-3.14@3.14.5.8-5ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.14.5.8-5ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.14.5.8-5ubuntu2","binary_name":"libv8-3.14.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-1721.json"}},{"package":{"name":"libv8-3.14","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libv8-3.14@3.14.5.8-11ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.14.5.8-11ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.14.5.8-11ubuntu1","binary_name":"libv8-3.14.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-1721.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}