modules:
  - module: std
    versions:
      - fixed: 1.15.9
      - introduced: 1.16.0
        fixed: 1.16.1
    packages:
      - package: encoding/xml
        symbols:
          - Decoder.Token
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.
published: 2022-02-17T17:34:24Z
cves:
  - CVE-2021-27918
credit: Sam Whited
references:
  - fix: https://go.dev/cl/300391
  - fix: https://go.googlesource.com/go/+/d0b79e3513a29628f3599dc8860666b6eed75372
  - report: https://go.dev/issue/44913
  - web: https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw