Security Advisory

CVE-2026-13204

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-22 14:15:30

Last updated 2026-07-22 18:52:12

Assigner isc

CVSS score 7.5

State PUBLISHED

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.

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