{"id":"CVE-2026-40012","summary":"Information about ECS zero scoped answers might leak to clients that use a specific ECS","details":"ECS zero scoped answers are stored in the packet cache while they should not. This impacts only configurations that have ECS enabled;","modified":"2026-07-08T08:13:12.555339247Z","published":"2026-06-25T12:58:51.987Z","database_specific":{"cna_assigner":"OX","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40012.json"},"references":[{"type":"WEB","url":"https://repo.powerdns.com/"},{"type":"ADVISORY","url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-08.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40012.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40012"},{"type":"PACKAGE","url":"https://github.com/PowerDNS/pdns"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"544037cd123e8662877b5dc0b7963f5a094a2faf"},{"fixed":"8565b266486a2c347f57985dc7dd704e41c7e1cf"},{"introduced":"ff33413345dc6a826ff0f37f0c78cd60cdf15689"},{"fixed":"b2f7567b5e2ba8d13ea0bf5c8ecd47ee2db14330"},{"introduced":"c95adbda8ce519923dfdbe7947d82a2692e18af9"},{"fixed":"9f875a6231f22b189c3f03a3c97a910079c47115"}],"database_specific":{"extracted_events":[{"introduced":"5.2.0"},{"fixed":"5.2.11"},{"introduced":"5.3.0"},{"fixed":"5.3.8"},{"introduced":"5.4.0"},{"fixed":"5.4.3"}],"source":"AFFECTED_FIELD"}}],"versions":["rec-5.2.10","rec-5.3.7","rec-5.4.2","rec-5.4.0-rc1","rec-5.4.0","rec-5.2.8","rec-5.3.4","rec-5.3.1","rec-5.2.6","rec-5.2.5","rec-5.3.0","rec-5.2.4","rec-5.2.2","rec-5.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40012.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}