{"id":"USN-2821-1","summary":"gnutls26 vulnerability","details":"It was discovered that GnuTLS incorrectly validated the first byte of\npadding in CBC modes. A remote attacker could possibly use this issue to\nperform a padding oracle attack.\n","modified":"2026-02-10T04:40:56Z","published":"2015-11-30T20:04:50Z","related":["UBUNTU-CVE-2015-8313"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2821-1"},{"type":"REPORT","url":"https://launchpad.net/bugs/1510163"}],"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_name":"gnutls-bin","binary_version":"3.0.11+really2.12.23-12ubuntu2.3"},{"binary_name":"libgnutls-dev","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","binary_version":"2.12.23-12ubuntu2.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2821-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[]}}}],"schema_version":"1.7.3"}