bullet3 VHACD utility: stack-based buffer overflow in OFF parser (LoadOFF)
Priority HIGH 72CWE-120Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00629 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| bulletphysics | bullet3 | up to 3.25 | — | No fix listed | CNA |
- bullet3 Vendorbulletphysics Affected up to 3.25 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bulletphysics:pybullet:*:*:*:*:*:*:*:* | up to 3.25 | Vulnerable | bulletphysics |
- cpe:2.3:a:bulletphysics:pybullet:*:*:*:*:*:*:*:* Versions up to 3.25 Vulnerable ·bulletphysics
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-8854
- 2026-10-03 Alias added: GHSA-g93w-7xh8-gh45
- 2026-11-01 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2025-8854 · CVE Program
- CVE-2025-8854 · NVD
- FIRST EPSS
- GHSA-g93w-7xh8-gh45 · GitHub Advisory Database · CC BY 4.0
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