Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-82591— Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow

Quick assessment

Affected
Open Asset Import Library Assimp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Open Asset Import Library是Open Asset Import Library组织的一个三维模型加载与转换库。 Open Asset Import Library 6.0.2及之前版本存在缓冲区错误漏洞，该漏洞源于code/AssetLib/MD5/MD5Loader.cpp文件中MD5Importer::MakeDataUnique函数对参数iNewIndex的操作，导致堆缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.17% · P6

Affected Version Matrix 3

VendorProduct Version RangeStatus
Open Asset Import Library Assimp 6.0.0 affected
6.0.1 affected
6.0.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-82591

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Open Asset Import Library Assimp MD5Loader.cpp MakeDataUnique heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Open Asset Import Library 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library是Open Asset Import Library组织的一个三维模型加载与转换库。 Open Asset Import Library 6.0.2及之前版本存在缓冲区错误漏洞，该漏洞源于code/AssetLib/MD5/MD5Loader.cpp文件中MD5Importer::MakeDataUnique函数对参数iNewIndex的操作，导致堆缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Open Asset Import Library Assimp 6.0.0 cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82591

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-82591

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-82591 (2)

Vendor Advisories for CVE-2026-82591 (3)

IV. Related Vulnerabilities

Same product: Assimp
Same vendor: Open Asset Import Library
Same weakness: CWE-122

V. Comments for CVE-2026-82591

No comments yet

Leave a comment