CVE-2026-10723
MEDIUMISC BIND 9 - Incorrect Acceptance of NSEC3 Records
Title source: ruleDescription
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.
References (3)
Core 3
Core References
Patch patch
https://downloads.isc.org/isc/bind9/9.20.26
Patch patch
https://downloads.isc.org/isc/bind9/9.21.24
Scores
CVSS v3
6.8
EPSS
0.0027
EPSS Percentile
18.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-347
Status
published
Products (5)
ISC/BIND 9
9.11.3-S1 - 9.18.50-S1
ISC/BIND 9
9.18.0 - 9.18.50
ISC/BIND 9
9.20.0 - 9.20.24
ISC/BIND 9
9.20.9-S1 - 9.20.24-S1
ISC/BIND 9
9.21.0 - 9.21.23
Published
Jul 22, 2026
Tracked Since
Jul 22, 2026