GO-2025-3563
Request smuggling due to acceptance of invalid chunked data in net/http
At a glance
- Published
- Updated
- CVE
- CVE-2025-22871
- Aliases
- BIT-golang-2025-22871, GHSA-g9pc-8g42-g6vq
Description
The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.
Affected packages
| Package | Versions |
|---|---|
| Go · stdlib | introduced 0, fixed 1.23.8, introduced 1.24.0-0, fixed 1.24.2 |
References
- https://go.dev/cl/652998 FIX
- https://go.dev/issue/71988 REPORT
- https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — Go Vulnerability Database |