GCVE-110-ISC-2026-1519

Advisory Published

Vulnetix · Advisory published March 25, 2026

CVE: CVE-2026-1519 Title: Excessive NSEC3 iterations cause high CPU load during insecure delegation validation Document version: 2.0 Posting date: 25 March 2026 Program impacted: BIND 9 Versions affected: BIND 9.11.0 -> 9.16.50 9.18.0 -> 9.18.46 9.20.0 -> 9.20.20 9.21.0 -> 9.21.19 BIND Supported Preview Edition 9.11.3-S1 -> 9.16.50-S1 9.18.11-S1 -> 9.18.46-S1 9.20.9-S1 -> 9.20.20-S1 (Versions prior to 9.11.0 were not assessed.) Severity: High Exploitable: Remotely Description: If a BIND reso ...

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Affected Products

Vendor	Product	Versions	Platforms
ISC	BIND	—	—

Aliases

CVE-2026-1519

References

CVE-2026-1519: Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

advisory

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