{"id":"UBUNTU-CVE-2015-7497","details":"Heap-based buffer overflow in the xmlDictComputeFastQKey function in dict.c in libxml2 before 2.9.3 allows context-dependent attackers to cause a denial of service via unspecified vectors.","modified":"2026-02-04T04:38:23.047135Z","published":"2015-11-26T00:00:00Z","related":["USN-2834-1"],"upstream":["CVE-2015-7497"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-7497"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2834-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-7497"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libxml2@2.9.1+dfsg1-3ubuntu4.6?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1+dfsg1-3ubuntu4.6"}]}],"versions":["2.9.1+dfsg1-3ubuntu2","2.9.1+dfsg1-3ubuntu3","2.9.1+dfsg1-3ubuntu4","2.9.1+dfsg1-3ubuntu4.1","2.9.1+dfsg1-3ubuntu4.2","2.9.1+dfsg1-3ubuntu4.3","2.9.1+dfsg1-3ubuntu4.4","2.9.1+dfsg1-3ubuntu4.5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.9.1+dfsg1-3ubuntu4.6","binary_name":"libxml2"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.6","binary_name":"libxml2-dev"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.6","binary_name":"libxml2-utils"},{"binary_version":"2.9.1+dfsg1-3ubuntu4.6","binary_name":"python-libxml2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-7497.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}