{"id":"USN-3806-1","summary":"systemd vulnerability","details":"Felix Wilhelm discovered that the systemd-networkd DHCPv6 client\nincorrectly handled certain DHCPv6 messages. In configurations where\nsystemd-networkd is being used, an attacker on the same network could use\nthis issue to cause systemd-networkd to crash, resulting in a denial of\nservice, or possibly execute arbitrary code.\n","modified":"2026-02-10T04:41:26Z","published":"2018-11-05T14:31:54Z","related":["UBUNTU-CVE-2018-15688"],"upstream":["CVE-2018-15688","UBUNTU-CVE-2018-15688"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3806-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15688"}],"affected":[{"package":{"name":"systemd","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/systemd@229-4ubuntu21.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"229-4ubuntu21.6"}]}],"versions":["225-1ubuntu9","227-2ubuntu1","227-2ubuntu2","228-1ubuntu2","228-2ubuntu1","228-2ubuntu2","228-3ubuntu1","228-4ubuntu1","228-4ubuntu2","228-5ubuntu1","228-5ubuntu2","228-5ubuntu3","228-6ubuntu1","229-1ubuntu2","229-1ubuntu4","229-2ubuntu1","229-3ubuntu1","229-3ubuntu2","229-4ubuntu1","229-4ubuntu4","229-4ubuntu5","229-4ubuntu6","229-4ubuntu7","229-4ubuntu8","229-4ubuntu10","229-4ubuntu11","229-4ubuntu12","229-4ubuntu13","229-4ubuntu16","229-4ubuntu17","229-4ubuntu19","229-4ubuntu20","229-4ubuntu21","229-4ubuntu21.1","229-4ubuntu21.2","229-4ubuntu21.3","229-4ubuntu21.4","229-4ubuntu21.5"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-myhostname","binary_version":"229-4ubuntu21.6"},{"binary_name":"libnss-mymachines","binary_version":"229-4ubuntu21.6"},{"binary_name":"libnss-resolve","binary_version":"229-4ubuntu21.6"},{"binary_name":"libpam-systemd","binary_version":"229-4ubuntu21.6"},{"binary_name":"libsystemd-dev","binary_version":"229-4ubuntu21.6"},{"binary_name":"libsystemd0","binary_version":"229-4ubuntu21.6"},{"binary_name":"libudev-dev","binary_version":"229-4ubuntu21.6"},{"binary_name":"libudev1","binary_version":"229-4ubuntu21.6"},{"binary_name":"systemd","binary_version":"229-4ubuntu21.6"},{"binary_name":"systemd-container","binary_version":"229-4ubuntu21.6"},{"binary_name":"systemd-coredump","binary_version":"229-4ubuntu21.6"},{"binary_name":"systemd-journal-remote","binary_version":"229-4ubuntu21.6"},{"binary_name":"systemd-sysv","binary_version":"229-4ubuntu21.6"},{"binary_name":"udev","binary_version":"229-4ubuntu21.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3806-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:A/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":"Ubuntu","score":"medium"}],"id":"CVE-2018-15688"}]}}},{"package":{"name":"systemd","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/systemd@237-3ubuntu10.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"237-3ubuntu10.4"}]}],"versions":["234-2ubuntu12","235-2ubuntu3","235-3ubuntu2","235-3ubuntu3","237-3ubuntu3","237-3ubuntu4","237-3ubuntu6","237-3ubuntu7","237-3ubuntu8","237-3ubuntu10","237-3ubuntu10.2","237-3ubuntu10.3"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-myhostname","binary_version":"237-3ubuntu10.4"},{"binary_name":"libnss-mymachines","binary_version":"237-3ubuntu10.4"},{"binary_name":"libnss-resolve","binary_version":"237-3ubuntu10.4"},{"binary_name":"libnss-systemd","binary_version":"237-3ubuntu10.4"},{"binary_name":"libpam-systemd","binary_version":"237-3ubuntu10.4"},{"binary_name":"libsystemd-dev","binary_version":"237-3ubuntu10.4"},{"binary_name":"libsystemd0","binary_version":"237-3ubuntu10.4"},{"binary_name":"libudev-dev","binary_version":"237-3ubuntu10.4"},{"binary_name":"libudev1","binary_version":"237-3ubuntu10.4"},{"binary_name":"systemd","binary_version":"237-3ubuntu10.4"},{"binary_name":"systemd-container","binary_version":"237-3ubuntu10.4"},{"binary_name":"systemd-coredump","binary_version":"237-3ubuntu10.4"},{"binary_name":"systemd-journal-remote","binary_version":"237-3ubuntu10.4"},{"binary_name":"systemd-sysv","binary_version":"237-3ubuntu10.4"},{"binary_name":"systemd-tests","binary_version":"237-3ubuntu10.4"},{"binary_name":"udev","binary_version":"237-3ubuntu10.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3806-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:A/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":"Ubuntu","score":"medium"}],"id":"CVE-2018-15688"}]}}}],"schema_version":"1.7.3"}