High
assimp — security advisory
A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
- Products
- assimp
- Affected versions
- 3.0~dfsg-4ubuntu4, 3.1.1~dfsg-5, 3.2~dfsg-1, 3.2~dfsg-2, 3.2~dfsg-3, 3.3.1~dfsg-5, 3.3.1~dfsg-5+build1, 3.3.1~dfsg-5ubuntu1, 4.0.1~dfsg-1, 4.0.1~dfsg-1~exp2, 4.1.0~dfsg-1, 4.1.0~dfsg-2, 4.1.0~dfsg-3, 4.1.0~dfsg-5, 4.1.0~dfsg-5ubuntu1, 5.0.1~ds0-1build1, 5.0.1~ds0-2, 5.0.1~ds0-3ubuntu1, 5.1.4~ds0-1, 5.1.5~ds0-1, 5.1.6~ds0-1, 5.2.0~ds0-2, 5.2.1~ds0-1, 5.2.2~ds0-1, 5.2.5~ds0-1.1build1, 5.3.1+ds-1, 5.3.1+ds-2, 5.3.1+ds-2build1, 5.4.3+ds-2, 6.0.2+ds-1, 6.0.3+ds-1, 6.0.4+ds-1, 6.0.4+ds-1build1, 6.0.5+ds-1
- Fixed versions
- Not specified
- CVEs
- CVE-2025-2756
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:26 UTC · Revision 1
Source evidence
A vulnerability classified as critical has been found in Open Asset Import Library Assimp 5.4.3. This affects the function Assimp::AC3DImporter::ConvertObjectSection of the file code/AssetLib/AC/ACLoader.cpp of the component AC3D File Handler. The manipulation of the argument tmp leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
osv:UBUNTU-CVE-2025-2756
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
assimp
Fixed versions: Not specified
Complete source record
{
"id": "7a9b0e8e8b58f96d9c66908f0ebff614f01951e87c5059531447409e67b166e3",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-2756",
"method": "structured",
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"modified": "2026-10-17T12:56:49.538820837Z",
"provider": "osv",
"upstream": [
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],
"references": [
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"https://www.cve.org/CVERecord?id=CVE-2025-2756",
"https://github.com/assimp/assimp/issues/6018",
"https://vuldb.com/?ctiid.300861",
"https://vuldb.com/?id.300861",
"https://vuldb.com/?submit.517790"
]
},
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"value": "CVE-2025-2756",
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"severity_evidence": "/severity/1/score"
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"source_id": "core-osv",
"document_id": 356397,
"published_at": "2025-03-25T10:15:00+00:00"
}