{"id":"UBUNTU-CVE-2015-6251","details":"Double free vulnerability in GnuTLS before 3.3.17 and 3.4.x before 3.4.4 allows remote attackers to cause a denial of service via a long DistinguishedName (DN) entry in a certificate.","modified":"2026-01-30T01:37:37.070343Z","published":"2015-08-24T00:00:00Z","related":["USN-2727-1"],"upstream":["CVE-2015-6251"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-6251"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2015/08/10/1"},{"type":"REPORT","url":"http://www.gnutls.org/security.html#GNUTLS-SA-2015-3"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2727-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-6251"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.3.15-5ubuntu2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.15-5ubuntu2"}]}],"ecosystem_specific":{"binaries":[{"binary_name":"gnutls-bin","binary_version":"3.3.15-5ubuntu2"},{"binary_name":"guile-gnutls","binary_version":"3.3.15-5ubuntu2"},{"binary_name":"libgnutls-deb0-28","binary_version":"3.3.15-5ubuntu2"},{"binary_name":"libgnutls-dev","binary_version":"3.3.15-5ubuntu2"},{"binary_name":"libgnutls-openssl27","binary_version":"3.3.15-5ubuntu2"},{"binary_name":"libgnutls28-dev","binary_version":"3.3.15-5ubuntu2"},{"binary_name":"libgnutlsxx28","binary_version":"3.3.15-5ubuntu2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-6251.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}