package: net/http
module: std
versions:
- fixed: go1.4.3
description: |
  HTTP headers were not properly parsed, which allows remote attackers to
  conduct HTTP request smuggling attacks via a request that contains
  Content-Length and Transfer-Encoding header fields.
cves:
  - CVE-2015-5739
  - CVE-2015-5740
  - CVE-2015-5741
credit: Jed Denlea and Régis Leroy
symbols:
- CanonicalMIMEHeaderKey
- body.readLocked
- canonicalMIMEHeaderKey
- chunkWriter.writeHeader
- fixLength
- fixTransferEncoding
- readTransfer
- transferWriter.shouldSendContentLength
- validHeaderFieldByte
links:
  pr: https://go.dev/cl/13148
  commit: https://go.googlesource.com/go/+/26049f6f9171d1190f3bbe05ec304845cfe6399f
  context:
  - https://go.dev/cl/11772
  - https://go.dev/cl/11810
  - https://go.dev/cl/12865
  - https://go.googlesource.com/go/+/117ddcb83d7f42d6aa72241240af99ded81118e9
  - https://go.googlesource.com/go/+/300d9a21583e7cf0149a778a0611e76ff7c6680f
  - https://go.googlesource.com/go/+/c2db5f4ccc61ba7df96a747e268a277b802cbb87
  - https://groups.google.com/g/golang-announce/c/iSIyW4lM4hY/m/ADuQR4DiDwAJ