Launch Week Day 1: Announcing Security Design Review
UNKNOWN Go

Crash when handling long CNAME response in net

GO-2026-4981 · BIT-golang-2026-33811 · CVE-2026-33811

Published · Modified

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.

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