{"id":"UBUNTU-CVE-2016-9963","details":"Exim before 4.87.1 might allow remote attackers to obtain the private DKIM signing key via vectors related to log files and bounce messages.","modified":"2026-04-22T11:52:15.212910Z","published":"2016-12-16T00:00:00Z","related":["USN-3164-1"],"upstream":["CVE-2016-9963"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-9963"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2016/12/16/1"},{"type":"REPORT","url":"https://www.exim.org/static/doc/CVE-2016-9963.txt"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3164-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-9963"}],"affected":[{"package":{"name":"exim4","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/exim4@4.82-3ubuntu2.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.82-3ubuntu2.2"}]}],"versions":["4.80-7ubuntu3","4.80-7ubuntu4","4.80-9ubuntu1","4.80-9ubuntu2","4.82-3ubuntu1","4.82-3ubuntu2","4.82-3ubuntu2.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"exim4","binary_version":"4.82-3ubuntu2.2"},{"binary_name":"exim4-base","binary_version":"4.82-3ubuntu2.2"},{"binary_name":"exim4-config","binary_version":"4.82-3ubuntu2.2"},{"binary_name":"exim4-daemon-heavy","binary_version":"4.82-3ubuntu2.2"},{"binary_name":"exim4-daemon-light","binary_version":"4.82-3ubuntu2.2"},{"binary_name":"eximon4","binary_version":"4.82-3ubuntu2.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9963.json"}},{"package":{"name":"exim4","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/exim4@4.86.2-2ubuntu2.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.86.2-2ubuntu2.1"}]}],"versions":["4.86-3ubuntu1","4.86-7ubuntu1","4.86-7ubuntu2","4.86-7ubuntu3","4.86.2-2ubuntu1","4.86.2-2ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"exim4","binary_version":"4.86.2-2ubuntu2.1"},{"binary_name":"exim4-base","binary_version":"4.86.2-2ubuntu2.1"},{"binary_name":"exim4-config","binary_version":"4.86.2-2ubuntu2.1"},{"binary_name":"exim4-daemon-heavy","binary_version":"4.86.2-2ubuntu2.1"},{"binary_name":"exim4-daemon-light","binary_version":"4.86.2-2ubuntu2.1"},{"binary_name":"eximon4","binary_version":"4.86.2-2ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9963.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}