CVE-2025-66034 fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib

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...

CVE-2025-66034

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...

CVE-2025-66034 fontTools is Vulnerable to Arbitrary File Write and XML injection in fontTools.varLib

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...

CVE-2025-66034

CVE-2025-66034 affects fontTools, a Python font manipulation library. Affected: fontTools.varLib main() path when processing malicious .designspace files; arbitrary file write can lead to remote code execution. Impact: high (per CVSS 3.1, base 9.8) when exploited via the varLib CLI or code invoki...

FontTools 安全漏洞

FontTools is a FontTools open source library written in Python for manipulating fonts. A security vulnerability exists in FontTools version 4.33.0 through versions prior to 4.60.2, which stems from an arbitrary file write when processing a malicious .designspace file, and could lead to remote cod...

PT-2025-48353

Name of the Vulnerable Software and Affected Versions fontTools versions 4.33.0 through 4.60.1 Description fontTools is a Python library used for manipulating fonts. A flaw exists in the fontTools.varLib script, specifically within the main code path, which can lead to arbitrary file write and...