CVE-2025-22871

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.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-134-14

https://cert-portal.siemens.com/productcert/html/ssa-783943.html

https://pkg.go.dev/vuln/GO-2025-3563

https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk

https://go.dev/issue/71988

https://go.dev/cl/652998

http://www.openwall.com/lists/oss-security/2025/04/04/4

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS