{"id":"CVE-2019-16866","revision":"5c4913eb91a5496b846c755403f73df5","records":[{"revision":"5c4913eb91a5496b846c755403f73df5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-16866","aliases":[],"title":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","state":0,"publishedAt":"2019-10-03T18:53:33+00:00","modifiedAt":"2026-10-08T21:03:28.346+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog","https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt","https://usn.ubuntu.com/4149-1/","https://www.debian.org/security/2019/dsa-4544","https://seclists.org/bugtraq/2019/Oct/23","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-16866","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-16866","identifiers":["CVE-2019-16866"]},"retained":false,"historicalAffected":[]}],"coverage":[]}