{"id":"CVE-2019-6469","details":"An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -\u003e 9.11.6-S1 of BIND 9 Supported Preview Edition.","modified":"2026-04-10T04:19:46.622544Z","published":"2019-10-09T16:15:17.077Z","references":[{"type":"WEB","url":"https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS"},{"type":"ADVISORY","url":"https://kb.isc.org/docs/cve-2019-6469"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.isc.org/isc-projects/bind9","events":[{"introduced":"0"},{"last_affected":"341e64a2de908ceec50ed46d243bf3402342735c"},{"introduced":"0"},{"last_affected":"eba38b89007f65bc6c1fdd2451034bbe3908b9a4"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"9.10.5-s1"},{"introduced":"0"},{"last_affected":"9.11.6-s1"}]}}],"versions":["v9.10.0a1","v9.10.0a2","v9.10.0b1","v9.10.0b2","v9.10.0rc1","v9.10.0rc2","v9.10.1","v9.10.1b1","v9.10.1b2","v9.10.1rc1","v9.10.1rc2","v9.10.2","v9.10.2b1","v9.10.2rc1","v9.10.2rc2","v9.10.3","v9.10.3b1","v9.10.3rc1","v9.10.4","v9.10.4b1","v9.10.4b2","v9.10.4b3","v9.10.4rc1","v9.10.5b1","v9.11.0","v9.11.0a1","v9.11.0a2","v9.11.0a3","v9.11.0b1","v9.11.0b2","v9.11.0b3","v9.11.0rc1","v9.11.0rc2","v9.11.0rc3","v9.11.1","v9.11.1b1","v9.11.1rc1","v9.11.1rc2","v9.11.1rc3","v9.11.2b1","v9.11.2rc1","v9.11.3b1","v9.11.3rc1","v9.11.4","v9.11.4rc2","v9.11.6","v9.11.6-P1","v9.11.6rc1","v9.5.0a1","v9.5.0a2","v9.5.0a3","v9.5.0a4","v9.5.0a5","v9.5.0a6","v9.7.0a1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-6469.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:N/I:N/A:H"}]}