{"id":"UBUNTU-CVE-2016-7056","details":"A timing attack flaw was found in OpenSSL 1.0.1u and before that could allow a malicious user with local access to recover ECDSA P-256 private keys.","modified":"2026-04-22T11:32:13.517096Z","published":"2016-12-31T00:00:00Z","related":["USN-3181-1"],"upstream":["CVE-2016-7056"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7056"},{"type":"REPORT","url":"https://eprint.iacr.org/2016/1195.pdf"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3181-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-7056"}],"affected":[{"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":"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-2016-7056.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}