"deny-answer-aliases" is a little-used feature intended to help recursive server operators protect end users against DNS rebinding attacks, a potential method of circumventing the security model used by client browsers. However, a defect in this feature makes it easy, when the feature is in use, to experience an assertion failure in name.c. Affects BIND 9.7.0->9.8.8, 9.9.0->9.9.13, 9.10.0->9.10.8, 9.11.0->9.11.4, 9.12.0->9.12.2, 9.13.0->9.13.2.

Related CVEs

CVE-2018-5740

Key Information

GHSA ID

GHSA-rqpc-6vjv-w22p

Published

May 13, 2022 1:02 AM

Last Modified

May 13, 2022 1:02 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 18, 2025 6:29 AM

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