module: std
package: encoding/xml
versions:
- fixed: go1.15.9
- fixed: go1.16.1
- fixed: go1.17.0
description: |
  The Decode, DecodeElement, and Skip methods of an xml.Decoder
  provided by xml.NewTokenDecoder may enter an infinite loop when
  operating on a custom xml.TokenReader which returns an EOF in the
  middle of an open XML element.
cves:
- CVE-2021-27918
credit: Sam Whited
symbols:
- Decoder.Token
links:
  pr: https://go.dev/cl/300391
  commit: https://go.googlesource.com/go/+/d0b79e3513a29628f3599dc8860666b6eed75372
  context:
  - https://go.dev/issue/44913
  - https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw