Answer in brief
CVE-2026-82591 records a Medium severity (CVSS 5.3) vulnerability in Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow. The current sources do not mark it as known exploited. The current feed maps Open Asset Import Library/Assimp (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Open Asset Import Library/Assimp (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Open Asset Import Library/Assimpgeneric | 6.0.0 || 6.0.1 || 6.0.2 | Not reported |
Published upstream
Aug 30, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 30, 2026
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.
Quoted source text, attributed separately from HOL analysis.