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CVE-2025-27363

FreeType Out-of-Bounds Write Vulnerability

8.1
CVSS
27.8%
EPSS (exploit prob.)
98.1%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2025-05-06
Added
→ 0.0 pts
30-day EPSS trend

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

TechniqueNameRelationship
T1204.002 Malicious File exploitation technique
T1574 Hijack Execution Flow primary impact
T1499.004 Application or System Exploitation secondary impact

Summary

FreeType contains an out-of-bounds write vulnerability when attempting to parse font subglyph structures related to TrueType GX and variable font files that may allow for arbitrary code execution.

Affected software

Vendor: FreeType  ·  Product: FreeType

Weakness types (CWE):

CWE-787

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

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Sources: CISA KEV catalog · NVD · FIRST EPSS · MITRE ATT&CK® · CTID Mappings Explorer

This product uses the NVD API but is not endorsed or certified by the NVD. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.

All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.