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7.5 High

CVE-2026-13204 If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for…

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 and versions

Product Affected versions Fixed in
BIND 9 9.21 9.21.0 → 9.21.23 No fix stated
BIND 9 9.20 9.20.0 → 9.20.24 No fix stated
BIND 9 9.11 9.11.0 → 9.18.50 No fix stated

References

Timeline

  1. Published
  2. Last modified

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