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Vulnerability · Published May 26, 2025 · Assigned by VulDB

CVE-2025-5204Open Asset Import Library Assimp MDLMaterialLoader.cpp ParseSkinLump_3DGS_MDL7 out-of-bounds

Low 3.3

In plain English

A low-severity out-of-bounds read in Assimp from Open Asset Import Library. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 77.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability classified as problematic has been found in Open Asset Import Library Assimp 5.4.3. This affects the function MDLImporter::ParseSkinLump_3DGS_MDL7 of the file assimp/code/AssetLib/MDL/MDLMaterialLoader.cpp. The manipulation leads to out-of-bounds read. Attacking locally is a requirement. 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12assimpno fix listedDEBIAN-CVE-2025-5204
Debian:13assimpno fix listedDEBIAN-CVE-2025-5204
Debian:14assimpno fix listedDEBIAN-CVE-2025-5204
Ubuntu:22.04:LTSassimpno fix listedUBUNTU-CVE-2025-5204
Ubuntu:24.04:LTSassimpno fix listedUBUNTU-CVE-2025-5204
Ubuntu:25.10assimpno fix listedUBUNTU-CVE-2025-5204
Ubuntu:26.04:LTSassimpno fix listedUBUNTU-CVE-2025-5204
Ubuntu:26.10assimpno fix listedUBUNTU-CVE-2025-5204

Affected products (as reported)

VendorProductVersions
Open Asset Import Library Assimp 5.4.3

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References