{"id":"USN-3565-1","summary":"exim4 vulnerability","details":"Meh Chang discovered that Exim incorrectly handled memory in certain\ndecoding operations. A remote attacker could use this issue to cause Exim\nto crash, resulting in a denial of service, or possibly execute arbitrary\ncode.\n","modified":"2026-04-22T09:43:31.619794Z","published":"2018-02-12T15:19:22Z","related":["UBUNTU-CVE-2018-6789"],"upstream":["CVE-2018-6789","UBUNTU-CVE-2018-6789"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3565-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-6789"}],"affected":[{"package":{"name":"exim4","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/exim4@4.82-3ubuntu2.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.82-3ubuntu2.4"}]}],"versions":["4.80-7ubuntu3","4.80-7ubuntu4","4.80-9ubuntu1","4.80-9ubuntu2","4.82-3ubuntu1","4.82-3ubuntu2","4.82-3ubuntu2.1","4.82-3ubuntu2.2","4.82-3ubuntu2.3"],"ecosystem_specific":{"binaries":[{"binary_name":"exim4","binary_version":"4.82-3ubuntu2.4"},{"binary_name":"exim4-base","binary_version":"4.82-3ubuntu2.4"},{"binary_name":"exim4-config","binary_version":"4.82-3ubuntu2.4"},{"binary_name":"exim4-daemon-heavy","binary_version":"4.82-3ubuntu2.4"},{"binary_name":"exim4-daemon-light","binary_version":"4.82-3ubuntu2.4"},{"binary_name":"eximon4","binary_version":"4.82-3ubuntu2.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3565-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-6789"}]}}},{"package":{"name":"exim4","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/exim4@4.86.2-2ubuntu2.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.86.2-2ubuntu2.3"}]}],"versions":["4.86-3ubuntu1","4.86-7ubuntu1","4.86-7ubuntu2","4.86-7ubuntu3","4.86.2-2ubuntu1","4.86.2-2ubuntu2","4.86.2-2ubuntu2.1","4.86.2-2ubuntu2.2"],"ecosystem_specific":{"binaries":[{"binary_name":"exim4","binary_version":"4.86.2-2ubuntu2.3"},{"binary_name":"exim4-base","binary_version":"4.86.2-2ubuntu2.3"},{"binary_name":"exim4-config","binary_version":"4.86.2-2ubuntu2.3"},{"binary_name":"exim4-daemon-heavy","binary_version":"4.86.2-2ubuntu2.3"},{"binary_name":"exim4-daemon-light","binary_version":"4.86.2-2ubuntu2.3"},{"binary_name":"eximon4","binary_version":"4.86.2-2ubuntu2.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3565-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-6789"}]}}}],"schema_version":"1.7.5"}