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High severity7.5NVD Advisory· Published May 7, 2026· Updated May 12, 2026

CVE-2026-33811

CVE-2026-33811

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3398

Patches

Vulnerability mechanics

References

4

News mentions

1