cvedb.io
CVE-2026-33811
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-05-07T20:16:42.770 · Last modified 2026-07-02T12:17:05.997

Summary

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

Affected products

golang — go

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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.