GCVE-110-ISC-2026-77119

Advisory Published

Vulnetix · Advisory published September 16, 2026

CVE: CVE-2026-77119 Title: NSEC3 insecure-referral proof can use unrelated cached NSEC3 RRsets Document version: 2.0 Posting date: 16 September 2026 Program impacted: BIND 9 Versions affected: BIND 9.11.0 -> 9.18.50 9.20.0 -> 9.20.27 9.21.0 -> 9.21.25 BIND Supported Preview Edition 9.11.3-S1 -> 9.18.50-S1 9.20.9-S1 -> 9.20.27-S1 Severity: Medium Exploitable: Remotely Description: A validly signed NSEC3 from an unrelated sibling zone may be accepted as an insecurity proof, downgrading a secur ...

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Affected Products

Vendor	Product	Versions	Platforms
ISC	BIND	—	—

Aliases

CVE-2026-77119

References

CVE-2026-77119: NSEC3 insecure-referral proof can use unrelated cached NSEC3 RRsets

advisory

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