CVE-2025-6120CWE-119CWE-122

Open Asset Import Library Assimp HL1MDLLoader.cpp read_meshes heap-based overflow

Medium · published June 16, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

A vulnerability classified as critical was found in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function read_meshes in the library assimp/code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00265 · 17.4th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-122 · Heap-based Buffer Overflow
Published
2025-06-16T11:31Z
EPSS history
Timeline
  • 16 JUN 11:31Z
    Open Asset Import Library Assimp HL1MDLLoader.cpp read_meshes heap-based overflow
    cvelistv5