modules:
  - module: std
    versions:
      - fixed: 1.15.15
      - introduced: 1.16.0
        fixed: 1.16.7
    packages:
      - package: net/http/httputil
        symbols:
          - ReverseProxy.ServeHTTP
description: |
    ReverseProxy can panic after encountering a problem copying
    a proxied response body.
published: 2022-02-17T17:32:24Z
cves:
  - CVE-2021-36221
credit: Andrew Crump
references:
  - fix: https://go.dev/cl/333191
  - fix: https://go.googlesource.com/go/+/b7a85e0003cedb1b48a1fd3ae5b746ec6330102e
  - web: https://groups.google.com/g/golang-announce/c/uHACNfXAZqk
  - report: https://go.dev/issue/46866