CVE-2026-13204 — Vulnerability intelligence

isc — bind

Published: 2026-07-22T14:15:30.557Z

CVSS

7.5

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

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.

Sources

• CVE-2026-13204
• Product
• Product
• Vendor Advisory
• CVE-2026-13204