{"id":"UBUNTU-CVE-2023-49441","details":"dnsmasq 2.9 is vulnerable to Integer Overflow via forward_query.","modified":"2025-08-11T04:48:43Z","published":"2024-06-06T22:15:00Z","upstream":["CVE-2023-49441"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-49441"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-49441"},{"type":"REPORT","url":"https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2023q4/017332.html"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.16.04.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.90-0ubuntu0.16.04.1+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","2.75-1ubuntu0.16.04.10+esm1","2.79-1ubuntu0.16.04.1+esm1","2.79-1ubuntu0.16.04.1+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"dnsmasq","binary_version":"2.90-0ubuntu0.16.04.1+esm1"},{"binary_name":"dnsmasq-base","binary_version":"2.90-0ubuntu0.16.04.1+esm1"},{"binary_version":"2.90-0ubuntu0.16.04.1+esm1","binary_name":"dnsmasq-base-lua"},{"binary_version":"2.90-0ubuntu0.16.04.1+esm1","binary_name":"dnsmasq-utils"}],"priority_reason":"Per the Dnsmasq developer, this flaw has no practical effect"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49441.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.18.04.1+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.90-0ubuntu0.18.04.1+esm1"}]}],"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","2.79-1ubuntu0.6","2.79-1ubuntu0.7"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2.90-0ubuntu0.18.04.1+esm1","binary_name":"dnsmasq"},{"binary_name":"dnsmasq-base","binary_version":"2.90-0ubuntu0.18.04.1+esm1"},{"binary_name":"dnsmasq-base-lua","binary_version":"2.90-0ubuntu0.18.04.1+esm1"},{"binary_name":"dnsmasq-utils","binary_version":"2.90-0ubuntu0.18.04.1+esm1"}],"priority_reason":"Per the Dnsmasq developer, this flaw has no practical effect"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49441.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.90-0ubuntu0.20.04.1"}]}],"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","2.80-1.1ubuntu1.5","2.80-1.1ubuntu1.6","2.80-1.1ubuntu1.7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.90-0ubuntu0.20.04.1","binary_name":"dnsmasq"},{"binary_name":"dnsmasq-base","binary_version":"2.90-0ubuntu0.20.04.1"},{"binary_name":"dnsmasq-base-lua","binary_version":"2.90-0ubuntu0.20.04.1"},{"binary_name":"dnsmasq-utils","binary_version":"2.90-0ubuntu0.20.04.1"}],"priority_reason":"Per the Dnsmasq developer, this flaw has no practical effect"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49441.json"}},{"package":{"name":"dnsmasq","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dnsmasq@2.90-0ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.90-0ubuntu0.22.04.1"}]}],"versions":["2.85-1ubuntu2","2.86-1.1","2.86-1.1ubuntu0.1","2.86-1.1ubuntu0.2","2.86-1.1ubuntu0.3","2.86-1.1ubuntu0.4","2.86-1.1ubuntu0.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dnsmasq","binary_version":"2.90-0ubuntu0.22.04.1"},{"binary_name":"dnsmasq-base","binary_version":"2.90-0ubuntu0.22.04.1"},{"binary_name":"dnsmasq-base-lua","binary_version":"2.90-0ubuntu0.22.04.1"},{"binary_name":"dnsmasq-utils","binary_version":"2.90-0ubuntu0.22.04.1"}],"priority_reason":"Per the Dnsmasq developer, this flaw has no practical effect"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-49441.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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}