SUSE-SU-2026:20184-1: moderate: Security update for python-FontTools

[SLE-UPDATES]

# Security update for python-FontTools

Announcement ID: SUSE-SU-2026:20184-1  
Release Date: 2026-01-28T09:54:14Z  
Rating: moderate  
References:

  * bsc#1254366

  
Cross-References:

  * CVE-2025-66034

  
CVSS scores:

  * CVE-2025-66034 ( SUSE ):  5.7
    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:A/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
  * CVE-2025-66034 ( SUSE ):  6.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:L
  * CVE-2025-66034 ( NVD ):  6.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:L
  * CVE-2025-66034 ( NVD ):  9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise Server 16.0
  * SUSE Linux Enterprise Server for SAP Applications 16.0

  
  
An update that solves one vulnerability can now be installed.

## Description:

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).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 16.0  
    zypper in -t patch SUSE-SLES-16.0-204=1

  * SUSE Linux Enterprise Server for SAP Applications 16.0  
    zypper in -t patch SUSE-SLES-16.0-204=1

## Package List:

  * SUSE Linux Enterprise Server 16.0 (noarch)
    * python313-FontTools-4.53.1-160000.3.1
  * SUSE Linux Enterprise Server for SAP Applications 16.0 (noarch)
    * python313-FontTools-4.53.1-160000.3.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-66034.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1254366

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