CVE-2026-76163

{"id": "CVE-2026-76163", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76163", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-17T17:37:44.106856Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-officer@isc.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-officer@isc.org", "affectedData": [{"vendor": "ISC", "product": "BIND 9", "versions": [{"status": "affected", "version": "9.20.0", "versionType": "custom", "lessThanOrEqual": "9.20.27"}, {"status": "affected", "version": "9.21.0", "versionType": "custom", "lessThanOrEqual": "9.21.25"}, {"status": "affected", "version": "9.20.9-S1", "versionType": "custom", "lessThanOrEqual": "9.20.27-S1"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-16T15:17:43.847", "references": [{"url": "https://downloads.isc.org/isc/bind9/9.20.29", "source": "security-officer@isc.org"}, {"url": "https://downloads.isc.org/isc/bind9/9.21.26", "source": "security-officer@isc.org"}, {"url": "https://kb.isc.org/docs/cve-2026-76163", "source": "security-officer@isc.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security-officer@isc.org", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "If BIND is loaded with a \"`named.conf`\" file that contains no global \"`options`\" block, an attacker can send a query of QTYPE TKEY which may cause an assertion failure and subsequent unexpected program exit.\nThis issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1."}], "lastModified": "2026-09-17T18:17:08.720", "sourceIdentifier": "security-officer@isc.org"}