CVE-CVE-2025-66034
Severity
MEDIUM
CVSS Score
6.3
Description
fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or python3 -m fontTools.varLib) script has an arbitrary file write vulnerability that leads to remote code execution when a malicious .designspace file is processed. The vulnerability affects the main() code path of fontTools.varLib, used by the fonttools varLib CLI and any code that invokes fontTools.varLib.main(). This issue has been patched in version 4.60.2....
PoCs for CVE-CVE-2025-66034
varlib-cve-2025-66034
General
Python
2
symphony2colour
2026-03-15