{"id":"USN-3733-1","summary":"gnupg vulnerability","details":"Daniel J. Bernstein, Joachim Breitner, Daniel Genkin, Leon Groot Bruinderink,\nNadia Heninger, Tanja Lange, Christine van Vredendaal, and Yuval Yarom\ndiscovered that GnuPG is vulnerable to a cache side-channel attack. A local\nattacker could use this attack to recover RSA private keys.\n","modified":"2026-02-10T04:41:23Z","published":"2018-08-07T02:50:28Z","related":["UBUNTU-CVE-2017-7526"],"upstream":["CVE-2017-7526","UBUNTU-CVE-2017-7526"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3733-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-7526"},{"type":"REPORT","url":"https://launchpad.net/bugs/1785176"}],"affected":[{"package":{"name":"gnupg","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/gnupg@1.4.16-1ubuntu2.6?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.16-1ubuntu2.6"}]}],"versions":["1.4.14-1ubuntu2","1.4.15-1.1ubuntu1","1.4.15-1.1ubuntu2","1.4.15-2ubuntu1","1.4.16-1ubuntu1","1.4.16-1ubuntu2","1.4.16-1ubuntu2.1","1.4.16-1ubuntu2.3","1.4.16-1ubuntu2.4","1.4.16-1ubuntu2.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.4.16-1ubuntu2.6","binary_name":"gnupg"},{"binary_version":"1.4.16-1ubuntu2.6","binary_name":"gnupg-curl"},{"binary_version":"1.4.16-1ubuntu2.6","binary_name":"gpgv"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3733-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2017-7526","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}},{"package":{"name":"gnupg","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gnupg@1.4.20-1ubuntu3.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.20-1ubuntu3.3"}]}],"versions":["1.4.18-7ubuntu1","1.4.19-6ubuntu1","1.4.20-1ubuntu1","1.4.20-1ubuntu2","1.4.20-1ubuntu3","1.4.20-1ubuntu3.1","1.4.20-1ubuntu3.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.4.20-1ubuntu3.3","binary_name":"gnupg"},{"binary_version":"1.4.20-1ubuntu3.3","binary_name":"gnupg-curl"},{"binary_version":"1.4.20-1ubuntu3.3","binary_name":"gpgv"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3733-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2017-7526","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.3"}