GO-2026-6609
Lack of limit on size of parsed Range headers in net/http
At a glance
- Published
- Updated
- CVE
- CVE-2026-78667
- Aliases
- BIT-golang-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.
Affected packages
| Package | Versions |
|---|---|
| Go · stdlib | introduced 0, fixed 1.26.9, introduced 1.27.0-0, fixed 1.27.2 |
References
- https://go.dev/cl/847309 FIX
- https://go.dev/issue/81858 REPORT
- https://groups.google.com/g/golang-announce/c/U2fTuyDJznI WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |