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CVE-2025-8854— bullet3 VHACD utility: stack-based buffer overflow in OFF parser (LoadOFF)

Quick assessment

Affected
bulletphysics bullet3
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.

Bullet Physics SDK是Bullet Physics SDK开源的一个用于VR、游戏、视觉效果、机器人、机器学习等的实时碰撞检测和多物理模拟开发工具包。 Bullet Physics SDK 3.26之前版本存在安全漏洞，该漏洞源于处理特制OFF文件时存在栈缓冲区溢出，可能导致执行任意代码。

AI Predicted 9.8 Difficulty: Easy EPSS 0.58% · P45

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-8854

Vulnerability Information
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Vulnerability Title
bullet3 VHACD utility: stack-based buffer overflow in OFF parser (LoadOFF)
Source: CVE Program / CVE List V5
Vulnerability Description
Stack-based buffer overflow in LoadOFF in bulletphysics bullet3 before 3.26 on all platforms allows remote attackers to execute arbitrary code via a crafted OFF file with an overlong initial token processed by the VHACD test utility or invoked indirectly through PyBullet's vhacd function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Bullet Physics SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bullet Physics SDK是Bullet Physics SDK开源的一个用于VR、游戏、视觉效果、机器人、机器学习等的实时碰撞检测和多物理模拟开发工具包。 Bullet Physics SDK 3.26之前版本存在安全漏洞，该漏洞源于处理特制OFF文件时存在栈缓冲区溢出，可能导致执行任意代码。
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
bulletphysics bullet3 <= 3.25 -

II. Public POCs for CVE-2025-8854

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III. Intelligence Information for CVE-2025-8854

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Vendor Advisories for CVE-2025-8854 (1)

IV. Related Vulnerabilities

Same weakness: CWE-120

V. Comments for CVE-2025-8854

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