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.

Related CVEs

CVE-2023-2829

Key Information

GHSA ID

GHSA-jhg8-766m-r23j

Published

June 21, 2023 6:31 PM

Last Modified

April 4, 2024 4:59 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: August 3, 2025 6:48 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.