GCVE-110-ISC-2026-5947

Advisory Published

Vulnetix · Advisory published May 20, 2026

CVE: CVE-2026-5947 Title: SIG(0) validation during query flood may lead to undefined behavior Document version: 2.0 Posting date: 20 May 2026 Program impacted: BIND 9 Versions affected: BIND 9.20.0 -> 9.20.22 9.21.0 -> 9.21.21 BIND Supported Preview Edition 9.20.9-S1 -> 9.20.22-S1 Versions NOT affected: BIND 9.18.28 -> 9.18.49 BIND Supported Preview Edition 9.18.28-S1 -> 9.18.49-S1 (Versions prior to 9.18.28 were not assessed.) Severity: High Exploitable: Remotely Description: Undefined ...

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Affected Products

Vendor	Product	Versions	Platforms
ISC	BIND	—	—

References

CVE-2026-5947: SIG(0) validation during query flood may lead to undefined behavior

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