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CVE-2026-111128— Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment

Quick assessment

Affected
assimp 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.

Assimp 6.0.5 及之前的版本中存在一个空指针解引用漏洞，该漏洞位于 Ogre3D 导入器中。攻击者可以通过在 OgreStructs.cpp 中提供未经验证的骨骼索引，导致应用程序崩溃。具体而言，攻击者可以构造一个包含缺失骨骼引用的 .mesh 和 .skeleton 文件，使得 BoneById() 函数返回空指针，从而引发宿主进程崩溃。

CVSS 5.5 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
assimp assimp ≤ 6.0.5 affected
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I. Basic Information for CVE-2026-111128

Vulnerability Information
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Vulnerability Title
Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment
Source: CVE Program / CVE List V5
Vulnerability Description
Assimp through 6.0.5 contains a NULL pointer dereference vulnerability in the Ogre3D importer that allows attackers to crash applications via unvalidated bone indices in OgreStructs.cpp. Attackers can supply a crafted .mesh and .skeleton file referencing a missing bone, causing BoneById() to return null and crash the host process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
assimp assimp 0 ~ 6.0.5 -

II. Public POCs for CVE-2026-111128

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III. Intelligence Information for CVE-2026-111128

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Vendor Advisories for CVE-2026-111128 (1)

Security Blog Posts for CVE-2026-111128 (1)

Vendor Pages for CVE-2026-111128 (1)

IV. Related Vulnerabilities

Same product: assimp
Same vendor: assimp
Same weakness: CWE-476

V. Comments for CVE-2026-111128

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