Out-of-Bounds Read Vulnerability in Open Asset Import Library Assimp by Assimp Organization
CVE-2025-5165

4.8MEDIUM

Key Information:

Vendor

Open Asset Import Library

Status
Assimp
Vendor
CVE Published:
26 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-5165?

A vulnerability has been identified in Open Asset Import Library Assimp version 5.4.3, which occurs in the MDCImporter::ValidateSurfaceHeader function. This flaw enables an attacker to perform an out-of-bounds read by manipulating a specific argument, pcSurface2. Such an exploit requires local access to the affected system. The issue has been publicly disclosed, prompting the project's team to consolidate all related Fuzzer bugs into a key issue for future resolutions.

Affected Version(s)

Assimp 5.4.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-5165 - Proof of Concept

References

https://vuldb.com/?id.310253
vdb-entrytechnical-description
https://vuldb.com/?ctiid.310253
signaturepermissions-required
https://vuldb.com/?submit.578000
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-5165 : Out-of-Bounds Read Vulnerability in Open Asset Import Library Assimp by Assimp Organization