{"id":"USN-8311-1","summary":"dnsmasq vulnerability","details":"Petr Menšík discovered that Dnsmasq incorrectly handled certain\ninput in the dhcp_release utility. A local attacker could possibly\nuse this issue to cause Dnsmasq to crash, resulting in a denial of\nservice.","modified":"2026-05-27T16:59:13.914156085Z","published":"2026-05-26T19:11:20Z","related":["UBUNTU-CVE-2020-37127"],"upstream":["CVE-2020-37127","UBUNTU-CVE-2020-37127"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8311-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-37127"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68-1ubuntu0.2+esm6"}]}],"versions":["2.66-4ubuntu1","2.67-1","2.68-1","2.68-1ubuntu0.1","2.68-1ubuntu0.2","2.68-1ubuntu0.2+esm1","2.68-1ubuntu0.2+esm2","2.68-1ubuntu0.2+esm3","2.68-1ubuntu0.2+esm5"],"ecosystem_specific":{"binaries":[{"binary_name":"dnsmasq","binary_version":"2.68-1ubuntu0.2+esm6"},{"binary_name":"dnsmasq-base","binary_version":"2.68-1ubuntu0.2+esm6"},{"binary_name":"dnsmasq-utils","binary_version":"2.68-1ubuntu0.2+esm6"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-37127"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8311-1.json"}}],"schema_version":"1.7.5"}