{"id":"UBUNTU-CVE-2016-5300","details":"The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.","modified":"2026-04-27T15:22:01.551773Z","published":"2016-06-06T00:00:00Z","related":["USN-3010-1","USN-3013-1"],"upstream":["CVE-2016-5300"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-5300"},{"type":"REPORT","url":"http://seclists.org/oss-sec/2016/q2/468"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3013-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3010-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-5300"}],"affected":[{"package":{"name":"expat","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/expat@2.1.0-4ubuntu1.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-4ubuntu1.3"}]}],"versions":["2.1.0-4","2.1.0-4ubuntu1","2.1.0-4ubuntu1.1","2.1.0-4ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.0-4ubuntu1.3","binary_name":"expat"},{"binary_version":"2.1.0-4ubuntu1.3","binary_name":"lib64expat1"},{"binary_version":"2.1.0-4ubuntu1.3","binary_name":"libexpat1"}],"availability":"No 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