Reachable Assertion Affecting bind package, versions [9.20.0,9.20.29)[9.21.0,9.21.26)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.67% (50th percentile)

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  • Snyk IDSNYK-UNMANAGED-BIND-20074803
  • published24 Sept 2026
  • disclosed16 Sept 2026
  • creditUnknown

Introduced: 16 Sep 2026

NewCVE-2026-76163  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade bind to version 9.20.29, 9.21.26 or higher.

Overview

Affected versions of this package are vulnerable to Reachable Assertion in the named.conf configuration when there is no global options block. An attacker can cause the service to terminate unexpectedly by sending a query of QTYPE TKEY. This is only exploitable if the configuration file lacks a global options statement.

CVSS Base Scores

version 4.0
version 3.1