Unrated severityNVD Advisory· Published Oct 8, 2026

CVE-2026-78667

Description

When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU.

AI Insight

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

Affected products

Golang/FileServerllm-create
Golang/ServeContentllm-create
Golang/ServeFilellm-create

Patches

Vulnerability mechanics

References

go.dev/cl/847309nvd
go.dev/issue/81858nvd
groups.google.com/g/golang-announce/c/U2fTuyDJznInvd
pkg.go.dev/vuln/GO-2026-6609nvd

News mentions

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