{"id":"UBUNTU-CVE-2017-5334","details":"Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have unspecified impact via crafted policy language information in an X.509 certificate with a Proxy Certificate Information extension.","modified":"2026-04-22T11:26:00.001854Z","published":"2017-01-11T00:00:00Z","related":["USN-3183-1"],"upstream":["CVE-2017-5334"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-5334"},{"type":"REPORT","url":"https://gnutls.org/security.html#GNUTLS-SA-2017-1"},{"type":"REPORT","url":"http://seclists.org/oss-sec/2017/q1/51"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3183-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-5334"}],"affected":[{"package":{"name":"gnutls28","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gnutls28@3.4.10-4ubuntu1.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.10-4ubuntu1.2"}]}],"versions":["3.3.15-5ubuntu2","3.3.18-1ubuntu1","3.3.20-1ubuntu1","3.4.9-2ubuntu1","3.4.10-4ubuntu1","3.4.10-4ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gnutls-bin","binary_version":"3.4.10-4ubuntu1.2"},{"binary_version":"3.4.10-4ubuntu1.2","binary_name":"guile-gnutls"},{"binary_name":"libgnutls-openssl27","binary_version":"3.4.10-4ubuntu1.2"},{"binary_name":"libgnutls30","binary_version":"3.4.10-4ubuntu1.2"},{"binary_name":"libgnutlsxx28","binary_version":"3.4.10-4ubuntu1.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-5334.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}