CVE-2025-20001: fontcreator Out-of-bounds Read

Description

An out-of-bounds read vulnerability exists in High-Logic FontCreator 15.0.0.3015. A specially crafted font file can trigger this vulnerability which can lead to disclosure of sensitive information. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
high-logic	fontcreator	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2157 https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2157

Frequently Asked Questions

What is CVE-2025-20001? +

An out-of-bounds read vulnerability exists in High-Logic FontCreator 15.0.0.3015. A specially crafted font file can trigger this vulnerability which can lead to disclosure of sensitive information. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-20001? +

CVE-2025-20001 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-20001? +

CVE-2025-20001 affects products from high-logic, specifically: fontcreator. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-20001? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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