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CVE-2025-3158— Open Asset Import Library Assimp LWO File LWOAnimation.cpp UpdateAnimRangeSetup 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（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library（assimp） 5.4.3版本存在安全漏洞，该漏洞源于LWO文件处理组件存在堆缓冲区溢出。

CVSS 5.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-3158

Vulnerability Information
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Vulnerability Title
Open Asset Import Library Assimp LWO File LWOAnimation.cpp UpdateAnimRangeSetup heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. Affected by this issue is the function Assimp::LWO::AnimResolver::UpdateAnimRangeSetup of the file code/AssetLib/LWO/LWOAnimation.cpp of the component LWO File Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.
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（assimp） 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open Asset Import Library（assimp）是Open Asset Import Library开源的一个库。 Open Asset Import Library（assimp） 5.4.3版本存在安全漏洞，该漏洞源于LWO文件处理组件存在堆缓冲区溢出。
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 5.4.3 -

II. Public POCs for CVE-2025-3158

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III. Intelligence Information for CVE-2025-3158

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Other References for CVE-2025-3158 (1)

Same Patch Batch · Open Asset Import Library · 2025-04-03 · 3 CVEs total

CVE-2025-3159 5.3 MEDIUM Open Asset Import Library Assimp ASE File ASEParser.cpp ParseLV4MeshBonesVertices heap-bas
CVE-2025-3160 3.3 LOW Open Asset Import Library Assimp File SceneCombiner.cpp AddNodeHashes out-of-bounds

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-3158

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