{"id":"USN-5408-1","summary":"dnsmasq vulnerability","details":"Petr Menšík and Richard Johnson discovered that Dnsmasq incorrectly handled\ncertain inputs. An attacker could possibly use this issue to execute\narbitrary code or expose sensitive information.\n","modified":"2026-06-29T13:49:15.521859149Z","published":"2022-05-10T17:44:53Z","related":["UBUNTU-CVE-2022-0934"],"upstream":["CVE-2022-0934","UBUNTU-CVE-2022-0934"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5408-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0934"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68-1ubuntu0.2+esm1"}]}],"versions":["2.66-4ubuntu1","2.67-1","2.68-1","2.68-1ubuntu0.1","2.68-1ubuntu0.2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"dnsmasq","binary_version":"2.68-1ubuntu0.2+esm1"},{"binary_version":"2.68-1ubuntu0.2+esm1","binary_name":"dnsmasq-base"},{"binary_name":"dnsmasq-utils","binary_version":"2.68-1ubuntu0.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5408-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"severity":[{"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-0934"}]}}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.75-1ubuntu0.16.04.10+esm1"}]}],"versions":["2.75-1","2.75-1ubuntu0.16.04.1","2.75-1ubuntu0.16.04.2","2.75-1ubuntu0.16.04.3","2.75-1ubuntu0.16.04.4","2.75-1ubuntu0.16.04.5","2.75-1ubuntu0.16.04.7","2.75-1ubuntu0.16.04.8","2.75-1ubuntu0.16.04.10"],"ecosystem_specific":{"binaries":[{"binary_name":"dnsmasq","binary_version":"2.75-1ubuntu0.16.04.10+esm1"},{"binary_name":"dnsmasq-base","binary_version":"2.75-1ubuntu0.16.04.10+esm1"},{"binary_name":"dnsmasq-utils","binary_version":"2.75-1ubuntu0.16.04.10+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-0934"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5408-1.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.79-1ubuntu0.6"}]}],"versions":["2.78-1","2.78-3","2.79-1","2.79-1ubuntu0.2","2.79-1ubuntu0.3","2.79-1ubuntu0.4","2.79-1ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_name":"dnsmasq","binary_version":"2.79-1ubuntu0.6"},{"binary_name":"dnsmasq-base","binary_version":"2.79-1ubuntu0.6"},{"binary_version":"2.79-1ubuntu0.6","binary_name":"dnsmasq-base-lua"},{"binary_version":"2.79-1ubuntu0.6","binary_name":"dnsmasq-utils"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-0934"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5408-1.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.80-1.1ubuntu1.5"}]}],"versions":["2.80-1ubuntu2","2.80-1ubuntu4","2.80-1.1ubuntu1","2.80-1.1ubuntu1.2","2.80-1.1ubuntu1.3","2.80-1.1ubuntu1.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.80-1.1ubuntu1.5","binary_name":"dnsmasq"},{"binary_name":"dnsmasq-base","binary_version":"2.80-1.1ubuntu1.5"},{"binary_name":"dnsmasq-base-lua","binary_version":"2.80-1.1ubuntu1.5"},{"binary_version":"2.80-1.1ubuntu1.5","binary_name":"dnsmasq-utils"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2022-0934","severity":[{"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5408-1.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.86-1.1ubuntu0.1"}]}],"versions":["2.85-1ubuntu2","2.86-1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dnsmasq","binary_version":"2.86-1.1ubuntu0.1"},{"binary_name":"dnsmasq-base","binary_version":"2.86-1.1ubuntu0.1"},{"binary_name":"dnsmasq-base-lua","binary_version":"2.86-1.1ubuntu0.1"},{"binary_name":"dnsmasq-utils","binary_version":"2.86-1.1ubuntu0.1"}]},"database_specific":{"cves_map":{"cves":[{"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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-0934"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5408-1.json"}}],"schema_version":"1.7.5"}