Heap-Based Buffer Overflow in Assimp's Half-Life 1 MDL Loader
CVE-2026-10230

4.8MEDIUM

Key Information:

Vendor

Assimp

Status
Assimp
Vendor
CVE Published:
1 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10230?

A vulnerability exists in the Assimp Half-Life 1 MDL Loader within the read_animations function, located in HL1MDLLoader.cpp. This issue can lead to a heap-based buffer overflow when manipulated, which requires local access to exploit. The reported vulnerability has been publicly disclosed, and remediation efforts are necessary to mitigate potential risks. Users and administrators should ensure they are using the latest versions of the software to reduce exposure.

Affected Version(s)

Assimp 6.0.0

Assimp 6.0.1

Assimp 6.0.2

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-2026-10230 - Proof of Concept

References

https://vuldb.com/vuln/367509
vdb-entrytechnical-description
https://vuldb.com/vuln/367509/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10230
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
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

Credit

TYGLS (VulDB User)
VulDB CNA Team
.