FontForge SFD File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of FontForge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of SFD files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28564.
CVSS Details
- CVSS 3.0 Base Score: 8.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade fontforge | Feb 10, 2026 | Feb 5, 2026 |
| Amazon Linux Ami 2 | — | Upgrade fontforge-develUpgrade fontforge-debuginfoUpgrade fontforge | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade fontforge-debuginfoUpgrade fontforge-docUpgrade fontforge-debugsourceUpgrade fontforge-develUpgrade fontforge | Feb 10, 2026 | Dec 31, 2025 |
| Oracle_linux | — | Upgrade fontforge | Feb 9, 2026 | Dec 31, 2025 |
| Redhat_linux | — | No solution existsUpgrade fontforgeUpgrade fontforge-develUpgrade fontforge-debuginfoUpgrade fontforge-debugsource | Feb 10, 2026 | Dec 31, 2025 |
| Rocky_linux | — | Upgrade fontforge-debugsourceUpgrade fontforgeUpgrade fontforge-debuginfo | Feb 9, 2026 | Feb 7, 2026 |
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