CVE-2025-66034 · cross-distro fix matrix

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

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-66034 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

fonttools→ fixed in4.57.0-1+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y fonttools
```

Are YOU affected by CVE-2025-66034?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

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