{"id":"UBUNTU-CVE-2019-8936","details":"NTP through 4.2.8p12 has a NULL Pointer Dereference.","modified":"2026-02-04T04:39:54.157319Z","published":"2019-05-15T16:29:00Z","related":["USN-4563-1","USN-4563-2"],"upstream":["CVE-2019-8936"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-8936"},{"type":"REPORT","url":"http://bugs.ntp.org/show_bug.cgi?id=3565"},{"type":"REPORT","url":"http://bk.ntp.org/ntp-stable/ntpd/ntp_control.c?PAGE=diffs&REV=5c8106e7wWtXdh0lzg1ytlWribBTcQ"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4563-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4563-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-8936"}],"affected":[{"package":{"name":"ntp","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ntp@1:4.2.8p10+dfsg-5ubuntu7.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2.8p10+dfsg-5ubuntu7.3"}]}],"versions":["1:4.2.8p10+dfsg-5ubuntu3","1:4.2.8p10+dfsg-5ubuntu4","1:4.2.8p10+dfsg-5ubuntu5","1:4.2.8p10+dfsg-5ubuntu6","1:4.2.8p10+dfsg-5ubuntu7","1:4.2.8p10+dfsg-5ubuntu7.1","1:4.2.8p10+dfsg-5ubuntu7.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:4.2.8p10+dfsg-5ubuntu7.3","binary_name":"ntp"},{"binary_version":"1:4.2.8p10+dfsg-5ubuntu7.3","binary_name":"ntpdate"},{"binary_version":"1:4.2.8p10+dfsg-5ubuntu7.3","binary_name":"sntp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-8936.json"}},{"package":{"name":"ntp","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ntp@1:4.2.8p12+dfsg-3ubuntu4.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1"}]}],"versions":["1:4.2.8p12+dfsg-3ubuntu2","1:4.2.8p12+dfsg-3ubuntu3","1:4.2.8p12+dfsg-3ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_version":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1","binary_name":"ntp"},{"binary_version":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1","binary_name":"ntpdate"},{"binary_version":"1:4.2.8p12+dfsg-3ubuntu4.20.04.1","binary_name":"sntp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-8936.json"}},{"package":{"name":"ntp","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ntp@1:4.2.8p12+dfsg-3ubuntu6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.2.8p12+dfsg-3ubuntu6"}]}],"ecosystem_specific":{"binaries":[{"binary_version":"1:4.2.8p12+dfsg-3ubuntu6","binary_name":"ntp"},{"binary_version":"1:4.2.8p12+dfsg-3ubuntu6","binary_name":"ntpdate"},{"binary_version":"1:4.2.8p12+dfsg-3ubuntu6","binary_name":"sntp"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-8936.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":"medium"}]}