module: golang.org/x/text
package: golang.org/x/text/encoding/unicode
additional_packages:
- module: golang.org/x/text
  package: golang.org/x/text/transform
  symbols:
  - Transform
versions:
- fixed: v0.3.3
description: |
  An attacker could provide a single byte to a [`UTF16`] decoder instantiated with
  [`UseBOM`] or [`ExpectBOM`] to trigger an infinite loop if the [`String`] function on
  the [`Decoder`] is called, or the [`Decoder`] is passed to [`transform.String`].
published: 2021-04-14T12:00:00Z
cve: CVE-2020-14040
credit: '@abacabadabacaba and Anton Gyllenberg'
symbols:
- utf16Decoder.Transform
links:
  pr: https://go-review.googlesource.com/c/text/+/238238
  commit: https://github.com/golang/text/commit/23ae387dee1f90d29a23c0e87ee0b46038fbed0e
  context:
  - https://github.com/golang/go/issues/39491
  - https://groups.google.com/g/golang-announce/c/bXVeAmGOqz0