=========================================================================
Ubuntu Security Notice USN-5873-1
February 16, 2023

golang-golang-x-text, golang-x-text vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Go Text.

Software Description:
- golang-golang-x-text: Supplementary Go text-related libraries
- golang-x-text: Supplementary Go text-related libraries

Details:

It was discovered that Go Text incorrectly handled certain encodings. An
attacker could possibly use this issue to cause a denial of service. This
issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-14040)

It was discovered that Go Text incorrectly handled certain BCP 47 language
tags. An attacker could possibly use this issue to cause a denial of service.
CVE-2020-28851, CVE-2020-28852 and CVE-2021-38561 affected only
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-28851, CVE-2020-28852, CVE-2021-38561, CVE-2022-32149)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.10:
  golang-golang-x-text-dev        0.3.7-1ubuntu0.22.10.1

Ubuntu 22.04 LTS:
  golang-golang-x-text-dev        0.3.7-1ubuntu0.20.04.1

Ubuntu 20.04 LTS:
  golang-golang-x-text-dev        0.3.2-4ubuntu0.1

Ubuntu 18.04 LTS:
  golang-golang-x-text-dev        0.0~git20170627.0.6353ef0-1ubuntu2.1
  golang-x-text-dev               0.0~git20170627.0.6353ef0-1ubuntu2.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5873-1
  CVE-2020-14040, CVE-2020-28851, CVE-2020-28852, CVE-2021-38561,
  CVE-2022-32149

Package Information:
  https://launchpad.net/ubuntu/+source/golang-golang-x-text/0.3.7-1ubuntu0.22.10.1
  https://launchpad.net/ubuntu/+source/golang-golang-x-text/0.3.7-1ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/golang-golang-x-text/0.3.2-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/golang-x-text/0.0~git20170627.0.6353ef0-1ubuntu2.1