{"id":"UBUNTU-CVE-2016-8610","details":"A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.","modified":"2026-01-30T01:40:48.038001Z","published":"2016-10-24T00:00:00Z","related":["USN-3181-1","USN-3183-1","USN-3183-2"],"upstream":["CVE-2016-8610"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-8610"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/10/24/3"},{"type":"REPORT","url":"http://security.360.cn/cve/CVE-2016-8610/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3181-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3183-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3183-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-8610"}],"affected":[{"package":{"name":"gnutls26","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/gnutls26@2.12.23-12ubuntu2.7?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12.23-12ubuntu2.7"}]}],"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","2.12.23-12ubuntu2.3","2.12.23-12ubuntu2.4","2.12.23-12ubuntu2.5","2.12.23-12ubuntu2.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gnutls-bin","binary_version":"3.0.11+really2.12.23-12ubuntu2.7"},{"binary_name":"libgnutls-dev","binary_version":"2.12.23-12ubuntu2.7"},{"binary_name":"libgnutls-openssl27","binary_version":"2.12.23-12ubuntu2.7"},{"binary_name":"libgnutls26","binary_version":"2.12.23-12ubuntu2.7"},{"binary_name":"libgnutlsxx27","binary_version":"2.12.23-12ubuntu2.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-8610.json"}},{"package":{"name":"openssl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.0.1f-1ubuntu2.22?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1f-1ubuntu2.22"}]}],"versions":["1.0.1e-3ubuntu1","1.0.1e-4ubuntu1","1.0.1e-4ubuntu2","1.0.1e-4ubuntu3","1.0.1e-4ubuntu4","1.0.1f-1ubuntu1","1.0.1f-1ubuntu2","1.0.1f-1ubuntu2.1","1.0.1f-1ubuntu2.2","1.0.1f-1ubuntu2.3","1.0.1f-1ubuntu2.4","1.0.1f-1ubuntu2.5","1.0.1f-1ubuntu2.7","1.0.1f-1ubuntu2.8","1.0.1f-1ubuntu2.11","1.0.1f-1ubuntu2.12","1.0.1f-1ubuntu2.15","1.0.1f-1ubuntu2.16","1.0.1f-1ubuntu2.17","1.0.1f-1ubuntu2.18","1.0.1f-1ubuntu2.19","1.0.1f-1ubuntu2.20","1.0.1f-1ubuntu2.21"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libssl-dev","binary_version":"1.0.1f-1ubuntu2.22"},{"binary_name":"libssl1.0.0","binary_version":"1.0.1f-1ubuntu2.22"},{"binary_name":"openssl","binary_version":"1.0.1f-1ubuntu2.22"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-8610.json"}},{"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_name":"guile-gnutls","binary_version":"3.4.10-4ubuntu1.2"},{"binary_name":"libgnutls-dev","binary_version":"3.4.10-4ubuntu1.2"},{"binary_name":"libgnutls-openssl27","binary_version":"3.4.10-4ubuntu1.2"},{"binary_name":"libgnutls28-dev","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/2016/UBUNTU-CVE-2016-8610.json"}},{"package":{"name":"openssl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.0.2g-1ubuntu4.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2g-1ubuntu4.6"}]}],"versions":["1.0.2d-0ubuntu1","1.0.2d-0ubuntu2","1.0.2e-1ubuntu1","1.0.2f-2ubuntu1","1.0.2g-1ubuntu2","1.0.2g-1ubuntu3","1.0.2g-1ubuntu4","1.0.2g-1ubuntu4.1","1.0.2g-1ubuntu4.2","1.0.2g-1ubuntu4.4","1.0.2g-1ubuntu4.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libssl-dev","binary_version":"1.0.2g-1ubuntu4.6"},{"binary_name":"libssl1.0.0","binary_version":"1.0.2g-1ubuntu4.6"},{"binary_name":"openssl","binary_version":"1.0.2g-1ubuntu4.6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-8610.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}