{"id":"UBUNTU-CVE-2015-8313","details":"GnuTLS incorrectly validates the first byte of padding in CBC modes","modified":"2026-04-22T10:20:21.043693Z","published":"2015-11-30T00:00:00Z","related":["USN-2821-1"],"upstream":["CVE-2015-8313"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8313"},{"type":"REPORT","url":"https://blog.hboeck.de/archives/877-A-little-POODLE-left-in-GnuTLS-old-versions.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2821-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8313"}],"affected":[{"package":{"name":"gnutls26","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.23-12ubuntu2.3"}]}],"versions":["2.12.23-1ubuntu4","2.12.23-1ubuntu5","2.12.23-12ubuntu1","2.12.23-12ubuntu2","2.12.23-12ubuntu2.1","2.12.23-12ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.11+really2.12.23-12ubuntu2.3","binary_name":"gnutls-bin"},{"binary_version":"2.12.23-12ubuntu2.3","binary_name":"libgnutls-openssl27"},{"binary_version":"2.12.23-12ubuntu2.3","binary_name":"libgnutls26"},{"binary_version":"2.12.23-12ubuntu2.3","binary_name":"libgnutlsxx27"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8313.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}