CVE-2023-32668: Luatex Project Luatex

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

LuaTeX before 1.17.0 allows a document (compiled with the default settings) to make arbitrary network requests. This occurs because full access to the socket library is permitted by default, as stated in the documentation. This also affects TeX Live before 2023 r66984 and MiKTeX before 23.5.

Affected products

• Luatex Project Luatex: from 0.27.0, before 1.17.0 (fixed in 1.17.0)
• Miktex Miktex: from 2.9.0, before 23.5 (fixed in 23.5)
• Tug Tex Live: from 2009, before 2023 (fixed in 2023)

Published 2023-05-11. Last modified 2026-06-17.