CVE-2023-32700

Name: CVE-2023-32700
Creator: NVD / NIST
Published: 2023-05-20T18:15:09.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2023-32700 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.80%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Luatex Project	Luatex	>= 1.04, < 1.16.2
Miktex	Miktex	>= 2.9.6300, < 23.5
Tug	Tex Live	>= 2017, < 2023

References

Timeline

Published: May 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-32700?

How severe is CVE-2023-32700?

CVE-2023-32700 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2023-32700?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-32700?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST