GCVE-110-ISC-2026-5950

Advisory Published

Vulnetix · Advisory published May 20, 2026

CVE: CVE-2026-5950 Title: Unbounded resend loop in BIND 9 resolver Document version: 2.0 Posting date: 20 May 2026 Program impacted: BIND 9 Versions affected: BIND 9.18.36 -> 9.18.48 9.20.8 -> 9.20.22 9.21.7 -> 9.21.21 BIND Supported Preview Edition 9.18.36-S1 -> 9.18.48-S1 9.20.9-S1 -> 9.20.22-S1 Severity: Medium Exploitable: Remotely Description: An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated ...

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Affected Products

Vendor	Product	Versions	Platforms
ISC	BIND	—	—

References

CVE-2026-5950: Unbounded resend loop in BIND 9 resolver

advisory

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