SB2026012166 - SUSE update for python-FontTools
Published: January 21, 2026 Updated: April 1, 2026
Security Bulletin ID
SB2026012166
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2025-66034)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to input validation error when processing .designspace files in fontTools.varLib. A remote attacker can trick the victim into passing a specially crafted file and overwrite arbitrary files on the system.
Remediation
Install update from vendor's website.