Description
A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record. This issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1.
References (2)
Core 2
Core References
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230703-0010/
Vendor Advisory vendor-advisory
https://kb.isc.org/docs/cve-2023-2829
Scores
CVSS v3
7.5
EPSS
0.0009
EPSS Percentile
25.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Products (7)
isc/bind
9.16.8 - 9.16.41
netapp/active_iq_unified_manager
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500s_firmware
netapp/h700s_firmware
Published
Jun 21, 2023
Tracked Since
Feb 18, 2026