What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-11 · updated 2026-06-17
• Weakness: CWE-120

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.

Affected products

• bulletphysics Pybullet: through 3.25

References

• https://github.com/bulletphysics/bullet3/blob/master/Extras/VHACD/test/src/main_vhacd.cpp#L472
• https://github.com/bulletphysics/bullet3/issues/4732
• https://github.com/bulletphysics/bullet3/issues/4732

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