What’s Vulnerable › Vulnerabilities

CVE-2025-1656: PDF File Parsing Heap-based Overflow Vulnerability

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-15 · updated 2026-06-17
• Weakness: CWE-122

Description

A maliciously crafted PDF file, when linked or imported into Autodesk applications, can force a Heap-Based Overflow vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.

Affected products

• Autodesk Revit: from 2023 before 2023.1.7; from 2024 before 2024.3.2; from 2025 before 2025.4.1 — fixed in 2023.1.7, 2024.3.2, 2025.4.1

How to fix

Upgrade to a fixed version: Autodesk Revit 2023.1.7, 2024.3.2, 2025.4.1. Check the vendor advisory for mitigations.

References

• https://www.autodesk.com/products/autodesk-access/overview
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2025-0003

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