CERT-In flags 14 HIGH-severity ISC BIND CVEs

CERT-In advisory CIVN-2026-0467, published 21 September 2026, bundles 14 CVEs in ISC BIND under a single HIGH severity rating. Affected releases span BIND 9.11.0–9.18.50, 9.20.0–9.20.27 and 9.21.0–9.21.25, with risks including denial of service, cache poisoning and zone-data tampering.

• 14 ISC BIND CVEs grouped in one CERT-In advisory rated HIGH
• Affected: BIND 9.11.0–9.18.50, 9.20.0–9.20.27, 9.21.0–9.21.25
• Risks include DoS, cache poisoning, spoofing and zone-data tampering
• ZoomEye found 19,364,144 internet-reachable BIND hosts