cvedb.io
CVE-2026-3593
HIGH · CVSS 7.4
EPSS exploitation probability: 0%
Published 2026-05-20T13:16:23.923 · Last modified 2026-06-30T03:19:13.923

Summary

A use-after-free vulnerability exists within the DNS-over-HTTPS implementation. This issue affects BIND 9 versions 9.20.0 through 9.20.22, 9.21.0 through 9.21.21, and 9.20.9-S1 through 9.20.22-S1. BIND 9 versions 9.18.0 through 9.18.48 and 9.18.11-S1 through 9.18.48-S1 are NOT affected.

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.