{"id":"UBUNTU-CVE-2022-37428","details":"PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.","modified":"2025-10-24T04:53:48Z","published":"2022-08-23T17:15:00Z","upstream":["CVE-2022-37428"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-37428"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2022/08/23/1"},{"type":"REPORT","url":"https://downloads.powerdns.com/patches/2022-02/"},{"type":"REPORT","url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html"},{"type":"REPORT","url":"https://docs.powerdns.com/recursor/lua-config/protobuf.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-37428"}],"affected":[{"package":{"name":"pdns-recursor","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pdns-recursor@4.0.0~alpha2-2ubuntu0.1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.7.3-1","4.0.0~alpha1-1","4.0.0~alpha1-2","4.0.0~alpha2-2","4.0.0~alpha2-2ubuntu0.1","4.0.0~alpha2-2ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"pdns-recursor","binary_version":"4.0.0~alpha2-2ubuntu0.1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-37428.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/pdns-recursor@4.1.1-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.6-1","4.0.6-1build1","4.0.7-1","4.1.1-1","4.1.1-1build1","4.1.1-2","4.1.1-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"pdns-recursor","binary_version":"4.1.1-2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-37428.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/pdns-recursor@4.2.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.0-6","4.2.1-1","4.2.1-1build1","4.2.1-1build2","4.2.1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.2.1-1ubuntu0.1~esm1","binary_name":"pdns-recursor"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-37428.json"}},{"package":{"name":"pdns-recursor","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/pdns-recursor@4.6.0-1ubuntu1+esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.2-3","4.6.0-1ubuntu1","4.6.0-1ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"pdns-recursor","binary_version":"4.6.0-1ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-37428.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}