Security update for python-FontTools SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2026:0199-1 Final 1 1 2026-01-21T11:03:55Z current 2026-01-21T11:03:55Z 2026-01-21T11:03:55Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for python-FontTools This update for python-FontTools fixes the following issues: - CVE-2025-66034: Fixed arbitrary file write vulnerability that could lead to remote code execution (bsc#1254366). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2026-199,SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-199,openSUSE-SLE-15.6-2026-199 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2026/suse-su-20260199-1/ Link for SUSE-SU-2026:0199-1 https://lists.suse.com/pipermail/sle-security-updates/2026-January/023829.html E-Mail link for SUSE-SU-2026:0199-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1254366 SUSE Bug 1254366 https://www.suse.com/security/cve/CVE-2025-66034/ SUSE CVE CVE-2025-66034 page SUSE Linux Enterprise Module for Package Hub 15 SP7 openSUSE Leap 15.6 python311-FontTools-4.47.2-150600.3.3.1 python311-FontTools-4.47.2-150600.3.3.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 python311-FontTools-4.47.2-150600.3.3.1 as a component of openSUSE Leap 15.6 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. CVE-2025-66034 SUSE Linux Enterprise Module for Package Hub 15 SP7:python311-FontTools-4.47.2-150600.3.3.1 openSUSE Leap 15.6:python311-FontTools-4.47.2-150600.3.3.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260199-1/ https://www.suse.com/security/cve/CVE-2025-66034.html CVE-2025-66034 https://bugzilla.suse.com/1254366 SUSE Bug 1254366