Log in / Sign up

Vulnerability details

CVE-2025-15270

FontForge FontForge

FontForge SFD File Parsing Improper Validation of Array Index Remote Code Execution Vulnerability

CVSS 3.0
8.8High

Official description

FontForge SFD File Parsing Improper Validation of Array Index 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 proper validation of user-supplied data, which can result in a write past the end of an allocated array. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-28563.

CVSS scores

ScoreVersionSourceVector
8.8High 3.0 CVEProject cvelistV5 (CNA) (zdi) CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
FontForge FontForge aca4f524c6cb14cdc7bc4cd493492a33f5154797 CVEProject cvelistV5 (CNA)

References and advisories

1
Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published
2025-12-31
Last updated
2025-12-31
State
Published
Assigner (CNA)
zdi

Exploit prediction (EPSS)

0.61%
Probability of exploitation in 30 days
49.4%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-129
    Improper Validation of Array Index