{"id":"CVE-2026-94300","published":"2026-10-21T13:21:08.670","lastModified":"2026-10-26T21:10:00.170","description":"Replaying GSS-TSIG signed UDP messages can result in memory corruption in \"`named`\".  An attacker who can capture a previously signed UDP message can replay it while the negotiated TSIG key is still valid. By also sending crafted queries to a zone the attacker controls, the attacker may potentially achieve remote code execution.\nThis issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.29, 9.21.0 through 9.21.26, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.29-S1.","cvssScore":8.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-362","CWE-415"],"vendors":[],"products":[],"references":[{"url":"https://downloads.isc.org/isc/bind9/9.20.30","tags":[]},{"url":"https://downloads.isc.org/isc/bind9/9.21.27","tags":[]},{"url":"https://kb.isc.org/docs/cve-2026-94300","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}