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Servers and applications

CVE-2021-25218

In BIND 9.16.19, 9.17.16. Also, version 9.16.19-S1 of BIND Supported Preview Edition When a vulnerable version of named receives a query under the circumstances described above, the named process will terminate due to a failed assertion check. The vulnerability affects only BIND 9 releases 9.16.19, 9.17.16, and release 9.16.19-S1 of the BIND Supported Preview Edition.

Severity
High 7.5
Published
18 Aug 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • Version 9.16.19
  • Version 9.17.16
  • Version 9.17.16-s1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-25218
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-25218