CVE-2025-5200

A vulnerability was found in Open Asset Import Library Assimp 5.4.3 and classified as problematic. This issue affects the function MDLImporter::InternReadFile_Quake1 of the file assimp/code/AssetLib/MDL/MDLLoader.cpp. The manipulation leads to out-of-bounds read. 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.

Database specific

{
    "cna_assigner": "VulDB",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5200.json",
    "cwe_ids": [
        "CWE-119",
        "CWE-125"
    ]
}

References

Affected packages

Git / github.com/assimp/assimp

Affected ranges

Type

GIT

Repo

https://github.com/assimp/assimp

Events

Introduced

c35200e38ea8f058812b83de2ef32c6093b0ece2

Fixed

c35200e38ea8f058812b83de2ef32c6093b0ece2

Database specific

{
    "cpe": "cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.4.3"
        },
        {
            "last_affected": "5.4.3"
        },
        {
            "introduced": "0"
        },
        {
            "fixed": "5.4.3"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ]
}

Affected versions

5.*

5.4.3

Database specific

vanir_signatures

[
    {
        "id": "CVE-2025-5200-20a4c35d",
        "source": "https://github.com/assimp/assimp/commit/c35200e38ea8f058812b83de2ef32c6093b0ece2",
        "signature_type": "Line",
        "target": {
            "file": "test/unit/utVersion.cpp"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "14751536908339836394842576333578963310",
                "250465586554798767444559000961914664081",
                "237443928289347941562880826078082366790",
                "259836610294362557380643058981394434250"
            ],
            "threshold": 0.9
        },
        "deprecated": false
    },
    {
        "id": "CVE-2025-5200-cea7f02c",
        "source": "https://github.com/assimp/assimp/commit/c35200e38ea8f058812b83de2ef32c6093b0ece2",
        "signature_type": "Function",
        "target": {
            "file": "test/unit/utVersion.cpp",
            "function": "TEST_F"
        },
        "signature_version": "v1",
        "digest": {
            "function_hash": "122993617034958603430649906656648264306",
            "length": 63.0
        },
        "deprecated": false
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-5200.json"

vanir_signatures_modified

"2026-07-09T15:22:04Z"