isc
Security Risk Profile
Security Risk Score
Comprehensive risk assessment based on 323 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from December 4, 1996 to present
Threat Assessment
Severity Distribution
Exploit Likelihood
Age Distribution
Common Weaknesses (CWE)
Most Affected Products
Recent Vulnerabilities
See more →DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field
Unexpected exit in certain situations with NSEC and NSEC3 both present
Record ordering based unexpected exit with CNAME or DNAME
Cache poisoning possible with label count discrepancy, RRSIG, and wildcards
Potential memory usage beyond configured limits
Unnecessary validation of DNSSEC signed records
Potential wildcard CNAME RPZ policy bypass
Key Record using PRIVATEDNS algorithm may lead to unexpected exit
Incorrect acceptance of NSEC3 records
ISC has disclosed nine vulnerabilities in BIND 9 (CVE-2026-10723, CVE-2026-10822, CVE-2026-11331, CVE-2026-11605, CVE-2026-11622, CVE-2026-11721, CVE-2026-12617, CVE-2026-13204, CVE-2026-13321)
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