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CVE-2026-10233— Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds

Quick assessment

Affected
n/a 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是Assimp开源的一个库。用于导入和导出各种三维模型格式。 Assimp 6.0.4及之前版本存在缓冲区错误漏洞，该漏洞源于HL1MDLLoader.cpp文件中HL1MDLLoader::read_sequence_infos函数对参数aiString的错误操作，可能导致越界读取。

CVSS 3.3 · Low EPSS 0.11% · P1

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 5

VendorProduct Version RangeStatus
n/a Assimp 6.0.0 affected
6.0.1 affected
6.0.2 affected
6.0.3 affected
6.0.4 affected
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I. Basic Information for CVE-2026-10233

Vulnerability Information
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Vulnerability Title
Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Assimp 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Assimp是Assimp开源的一个库。用于导入和导出各种三维模型格式。 Assimp 6.0.4及之前版本存在缓冲区错误漏洞，该漏洞源于HL1MDLLoader.cpp文件中HL1MDLLoader::read_sequence_infos函数对参数aiString的错误操作，可能导致越界读取。
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
- Assimp 6.0.0 cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10233

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III. Intelligence Information for CVE-2026-10233

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Proof of Concept for CVE-2026-10233 (1)

Other References for CVE-2026-10233 (1)

Other References for CVE-2026-10233 (1)

Same Patch Batch · n/a · 2026-06-01 · 35 CVEs total

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Showing top 20 of 35 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Assimp
Same vendor: n/a
Same weakness: CWE-125