{"id":"UBUNTU-CVE-2019-11766","details":"dhcp6.c in dhcpcd before 6.11.7 and 7.x before 7.2.2 has a buffer over-read in the D6_OPTION_PD_EXCLUDE feature.","modified":"2025-10-24T04:47:39Z","published":"2019-05-05T06:29:00Z","upstream":["CVE-2019-11766"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11766"},{"type":"REPORT","url":"https://roy.marples.name/cgit/dhcpcd.git/commit/?&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8"},{"type":"REPORT","url":"https://roy.marples.name/cgit/dhcpcd.git/commit/?&id=896ef4a54b0578985e5e1360b141593f1d62837b"},{"type":"REPORT","url":"https://bugs.debian.org/928440"},{"type":"REPORT","url":"https://roy.marples.name/archives/dhcpcd-discuss/0002428.html"},{"type":"REPORT","url":"https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=896ef4a54b0578985e5e1360b141593f1d62837b"},{"type":"REPORT","url":"https://roy.marples.name/cgit/dhcpcd.git/commit/?h=dhcpcd-7&id=c1ebeaafeb324bac997984abdcee2d4e8b61a8a8"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11766"}],"affected":[{"package":{"name":"dhcpcd5","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/dhcpcd5@6.0.5-2+deb8u1build0.14.04.1~esm1?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.6-1","6.0.5-1ubuntu1","6.0.5-1.1","6.0.5-2build0.14.04.1","6.0.5-2+deb8u1build0.14.04.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dhcpcd5","binary_version":"6.0.5-2+deb8u1build0.14.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11766.json"}},{"package":{"name":"dhcpcd5","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dhcpcd5@6.10.1-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.9.1-1","6.9.3-1","6.10.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"dhcpcd5","binary_version":"6.10.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11766.json"}},{"package":{"name":"dhcpcd5","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/dhcpcd5@6.11.5-0ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.11.5-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"dhcpcd5","binary_version":"6.11.5-0ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11766.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}