Vulnerabilities
Report: CVE-2026-1519 - Excessive NSEC3 iterations cause high CPU load during insecure delegation validation - Expert Insights
CVE ID :CVE-2026-1519 Published : March 25, 2026, 2:16 p.m. | 27 minutes ago Description :If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries (see: ). This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.46, 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.46-S1, and 9.20.9-S1 through 9.20.20-S1. Severity: 7.5 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...