VYPR
High severity7.5NVD Advisory· Published Jul 22, 2026· Updated Jul 22, 2026

CVE-2026-13204

CVE-2026-13204

Description

If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then BIND may exit unexpectedly with an assertion while validating this proof. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.

Affected products

40

Patches

Vulnerability mechanics

References

3

News mentions

1