CVE-2025-8854

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2025-08-11. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 9.8Exploit: Elevated riskExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

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.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
60
EG Risk 60/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability0% × 15%
EPSS PROB
0.6%
EPSS %ILE
45th
KEV
Not listed

Published

August 11, 2025

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Oct 4, 2026
No patch confirmed yet.
generic

CVE-2025-8854: Stack-based buffer overflow in OFF loader (LoadOFF) · Issue #4732 · bulletphysics/bullet3 · GitHub

https://github.com/bulletphysics/bullet3/issues/4732
generic

bullet3/Extras/VHACD/test/src/main_vhacd.cpp at master · bulletphysics/bullet3 · GitHub

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

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 157 total refreshes for this CVE.

  1. 2026-10-05 17:42 UTCEPSS rescore
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  44. 2026-07-23 03:03 UTCEG score recompute
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Frequently asked(5)

What is CVE-2025-8854?
CVE-2025-8854 is a critical vulnerability published on August 11, 2025. 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.
When was CVE-2025-8854 disclosed?
CVE-2025-8854 was first published on August 11, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-8854 actively exploited?
CVE-2025-8854 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (45th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2025-8854?
CVE-2025-8854 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2025-8854?
No fix for CVE-2025-8854 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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