CVE-2025-5166: medium-severity vulnerability in Open Asset Import Library Assimp
Open Asset Import Library Assimp MDC File Parser MDCLoader.cpp InternReadFile out-of-bounds
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.3%
exploitation probability
0.3%top 84% of all CVEs
observed exploitation
nono source reports it
A vulnerability was found in Open Asset Import Library Assimp 5.4.3. It has been classified as problematic. Affected is the function MDCImporter::InternReadFile of the file assimp/code/AssetLib/MDC/MDCLoader.cpp of the component MDC File Parser. The manipulation of the argument pcVerts 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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Affected products
Open Asset Import Library · AssimpRelated CVEs — Open Asset Import Library Assimp
In the same product, most dangerous first.
CVE-2025-2751MEDIUMOpen Asset Import Library Assimp CSM File CSMLoader.cpp InternReadFile out-of-boundsEPSS 0.8%CVE-2025-2592MEDIUMOpen Asset Import Library Assimp CSMLoader.cpp InternReadFile heap-based overflowEPSS 0.7%CVE-2025-2752MEDIUMOpen Asset Import Library Assimp CSM File fast_atof.h fast_atoreal_move out-of-boundsEPSS 0.7%CVE-2025-2591MEDIUMOpen Asset Import Library Assimp MDLLoader.cpp InternReadFile_Quake1 divide by zeroEPSS 0.6%CVE-2025-3016MEDIUMOpen Asset Import Library Assimp MDL File MDLMaterialLoader.cpp ParseTextureColorData resource consumptionEPSS 0.6%CVE-2025-2756MEDIUMOpen Asset Import Library Assimp AC3D File ACLoader.cpp ConvertObjectSection heap-based overflowEPSS 0.6%