Open Asset Import Library Assimp up to 6.0.2 MD5Loader.cpp MakeDataUnique iNewIndex heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.97+

Summaryinfo

A vulnerability was found in Open Asset Import Library Assimp up to 6.0.2 and classified as problematic. This affects the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex results in heap-based overflow. This vulnerability is identified as CVE-2026-82591. The attack is only possible with local access. There is not any exploit available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability was found in Open Asset Import Library Assimp up to 6.0.2. It has been classified as problematic. Affected is the function MD5Importer::MakeDataUnique of the file code/AssetLib/MD5/MD5Loader.cpp. The manipulation of the argument iNewIndex with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-82591. The exploitability is told to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

Applying the patch bf9dabb617c46e5133dac65cca6bff177917afcb is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: bf9dabb617c46e5133dac65cca6bff177917afcb

Timelineinfo

08/30/2026 Advisory disclosed
08/30/2026 +0 days VulDB entry created
08/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 6718
Status: Confirmed

CVE: CVE-2026-82591 (🔒)
GCVE (CVE): GCVE-0-2026-82591
GCVE (VulDB): GCVE-100-397086

Entryinfo

Created: 08/30/2026 08:17
Changes: 08/30/2026 08:17 (58)
Complete: 🔍
Submitter: Errorgone
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #892413: assimp Open Asset Import Library (assimp) 6.0.2 Heap-based Buffer Overflow (CWE-122) (by Errorgone)

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