cvedb.io
CVE-2026-3039
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-05-20T13:16:23.647 · Last modified 2026-06-30T03:19:09.983

Summary

BIND servers that are configured to use TKEY-based authentication via GSS-API tokens are vulnerable to excessive memory consumption when receiving and processing maliciously-constructed packets. Typically these servers will be found in Active Directory integrated DNS deployments and/or Kerberos-secured DNS environments. This issue affects BIND 9 versions 9.0.0 through 9.16.50, 9.18.0 through 9.18.48, 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, 9.9.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.

Affected products

isc — bind

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.