Improper Validation of Array Index Affecting fontforge-doc package, versions <0:20201107-3.amzn2023.0.6


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.56% (45th percentile)

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  • Snyk IDSNYK-AMZN2023-FONTFORGEDOC-15320959
  • published19 Feb 2026
  • disclosed31 Dec 2025

Introduced: 31 Dec 2025

CVE-2025-15270  (opens in a new tab)
CWE-129  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 fontforge-doc to version 0:20201107-3.amzn2023.0.6 or higher.
This issue was patched in ALAS2023-2026-1431.

NVD Description

Note: Versions mentioned in the description apply only to the upstream fontforge-doc package and not the fontforge-doc package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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 Base Scores

version 3.1