CVE-2023-32700

Publication date 20 May 2023

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

LuaTeX before 1.17.0 allows execution of arbitrary shell commands when compiling a TeX file obtained from an untrusted source. This occurs because luatex-core.lua lets the original io.popen be accessed. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
texlive-bin	23.04 lunar	Fixed 2022.20220321.62855-5ubuntu0.1
	22.10 kinetic	Fixed 2022.20220321.62855-4ubuntu0.1
	22.04 LTS jammy	Fixed 2021.20210626.59705-1ubuntu0.1
	20.04 LTS focal	Fixed 2019.20190605.51237-3ubuntu0.1
	18.04 LTS bionic	Fixed 2017.20170613.44572-8ubuntu0.2
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Ignored end of standard support

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-6115-1
TeX Live vulnerability
30 May 2023