Request smuggling due to acceptance of invalid chunked data in net/http
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.
02 / AFFECTED SOFTWARE
Affected packages
254 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
The net/http package dependency used by RoadRunner 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.
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.
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.
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2025/04/04/4
- https://cert-portal.siemens.com/productcert/html/ssa-783943.html
- https://github.com/roadrunner-server/roadrunner
- https://github.com/roadrunner-server/roadrunner/commit/f269279ee87d0b88127741cad1042389af7605fa
- https://github.com/roadrunner-server/roadrunner/issues/2166
- https://github.com/roadrunner-server/roadrunner/releases/tag/v2025.1.0
- https://go.dev/cl/652998
- https://go.dev/issue/71988
- https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk
- https://nvd.nist.gov/vuln/detail/CVE-2025-22871
- https://pkg.go.dev/vuln/GO-2025-3563