{"id":"CVE-2026-3119","published":"2026-03-25T13:31:54Z","modified":"2026-03-25T14:13:54Z","title":"Authenticated query containing a TKEY record may cause named to terminate unexpectedly","vendor":"ISC","product":"BIND 9","tier":"tail","description":{"text":"Under certain conditions, `named` may crash when processing a correctly signed query containing a TKEY record. The affected code can only be reached if an incoming request has a valid transaction signature (TSIG) from a key declared in the `named` configuration.\nThis issue affects BIND 9 versions 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, and 9.20.9-S1 through 9.20.20-S1.\nBIND 9 versions 9.18.0 through 9.18.46 and 9.18.11-S1 through 9.18.46-S1 are NOT affected.","provenance":"source","from":"CVE.org"},"cvss":{"score":6.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00586,"percentile":0.47879,"provenance":"source"},"cwes":[{"id":"CWE-617","name":"Reachable Assertion"}],"references":[{"url":"https://kb.isc.org/docs/cve-2026-3119","tags":["vendor-advisory"]},{"url":"https://downloads.isc.org/isc/bind9/9.20.21","tags":["patch"]},{"url":"https://downloads.isc.org/isc/bind9/9.21.20","tags":["patch"]}],"priority":{"score":14.1,"factors":[{"name":"EPSS percentile","points":9.58},{"name":"CVSS severity","points":4.55}]},"vendorSlug":"isc","affectedVersions":[{"vendor":"ISC","product":"BIND 9","versions":[">= 9.20.0, <= 9.20.20",">= 9.21.0, <= 9.21.19",">= 9.20.9-S1, <= 9.20.20-S1"]}],"euvd":{"id":"EUVD-2026-15411","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-isc-bind-cwe-617"}}