CVE-2026-10723

Summary

BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses. This issue affects BIND 9 versions 9.18.0 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 Software

VendorProductVersion RangeStatus
ISCBIND 99.18.0 <= 9.18.50affected
ISCBIND 99.20.0 <= 9.20.24affected
ISCBIND 99.21.0 <= 9.21.23affected
ISCBIND 99.11.3-S1 <= 9.18.50-S1affected
ISCBIND 99.20.9-S1 <= 9.20.24-S1affected

Weaknesses

  • CWE-347: CWE-347 Improper Verification of Cryptographic Signature

Workarounds

No workarounds known.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References