CVE-2026-82591Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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A security vulnerability has been detected in Open Asset Import Library Assimp up to 6.0.2. The impacted element is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex leads to heap-based buffer overflow. The attack can only be performed from a local environment. The identifier of the patch is bf9dabb617c46e5133dac65cca6bff177917afcb. Applying a patch is the recommended action to fix this issue.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
- Weakness (CWE)
- CWE-122, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 31, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Open Asset Import Library Assimp assimp:assimp | 6.0.0; 6.0.1; 6.0.2 | CNA record |
References
- https://vuldb.com/vuln/397086vdb-entry, technical-description
- https://vuldb.com/vuln/397086/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-82591third-party-advisory
- https://vuldb.com/submit/892413third-party-advisory
- https://github.com/assimp/assimp/pull/6718issue-tracking, patch
- https://github.com/assimp/assimp/commit/bf9dabb617c46e5133dac65cca6bff177917afcbpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.