CVE-2026-82591

Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow

MEDIUM
5.3
CVSS Score
Published: August 30, 2026 at 10:45 PM UTC
Updated: September 1, 2026 at 09:01 PM UTC
2 products affected across 2 vendorsAssimpAssimp

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397086
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397086/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82591
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/892413
Issue TrackingPatch
Source: cverecord
https://github.com/assimp/assimp/pull/6718

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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