=========================================================================Ubuntu Security Notice USN-6115-1
May 30, 2023

texlive-bin vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

LuaTeX (TeX Live) could be made to run programs as your login if it
compiled a specially crafted TeX file.

Software Description:
- texlive-bin: Binaries for TeX Live

Details:

Max Chernoff discovered that LuaTeX (TeX Live) did not properly disable
shell escape. An attacker could possibly use this issue to execute
arbitrary shell commands.

Update instructions:

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

Ubuntu 23.04:
  texlive-binaries                2022.20220321.62855-5ubuntu0.1

Ubuntu 22.10:
  texlive-binaries                2022.20220321.62855-4ubuntu0.1

Ubuntu 22.04 LTS:
  texlive-binaries                2021.20210626.59705-1ubuntu0.1

Ubuntu 20.04 LTS:
  texlive-binaries                2019.20190605.51237-3ubuntu0.1

Ubuntu 18.04 LTS:
  texlive-binaries                2017.20170613.44572-8ubuntu0.2

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

References:
  https://ubuntu.com/security/notices/USN-6115-1
  CVE-2023-32700

Package Information:
  https://launchpad.net/ubuntu/+source/texlive-bin/2022.20220321.62855-5ubuntu0.1
  https://launchpad.net/ubuntu/+source/texlive-bin/2022.20220321.62855-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/texlive-bin/2021.20210626.59705-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/texlive-bin/2019.20190605.51237-3ubuntu0.1
  https://launchpad.net/ubuntu/+source/texlive-bin/2017.20170613.44572-8ubuntu0.2