CVE-2025-15666

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory (severity: LOW) published 2026-07-01. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

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

A security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
28(Track)
EG Risk 28/100SSVC: Track

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
Severity53% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
2.5%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 1, 2026

Advisory Details (1)

Auto-updated Jul 1, 2026
No patch confirmed yet.
generic

Bug: Heap-based Buffer Overflow in Assimp::SceneCombiner::Copy(aiTexture**, aiTexture const*) · Issue #6079 · assimp/assimp · GitHub

https://github.com/assimp/assimp/issues/6079

Vendor Advisories for CVE-2025-15666(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 48× 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.

  1. 2026-07-24 14:16 UTCEPSS rescore
  2. 2026-07-23 14:17 UTCEPSS rescore
  3. 2026-07-23 02:49 UTCEG score recompute
  4. 2026-07-22 14:07 UTCEPSS rescore
  5. 2026-07-22 14:07 UTCEPSS rescore
  6. 2026-07-21 15:24 UTCEPSS rescore
  7. 2026-07-19 14:30 UTCEPSS rescore
  8. 2026-07-19 14:30 UTCEPSS rescore
  9. 2026-07-19 02:28 UTCEPSS rescore
  10. 2026-07-19 02:28 UTCEPSS rescore
  11. 2026-07-18 10:03 UTCEPSS rescore
  12. 2026-07-16 17:02 UTCEPSS rescore
  13. 2026-07-16 17:02 UTCEPSS rescore
  14. 2026-07-16 15:53 UTCGHSA enrichment
  15. 2026-07-15 16:57 UTCEPSS rescore
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 15:16 UTCGHSA enrichment
  18. 2026-07-15 01:59 UTCEPSS rescore
  19. 2026-07-15 01:59 UTCEPSS rescore
  20. 2026-07-14 14:44 UTCGHSA enrichment
  21. 2026-07-13 22:29 UTCEPSS rescore
  22. 2026-07-13 22:29 UTCEPSS rescore
  23. 2026-07-13 14:11 UTCGHSA enrichment
  24. 2026-07-12 13:38 UTCGHSA enrichment
  25. 2026-07-12 05:46 UTCEPSS rescore
Show 23 more
  1. 2026-07-12 05:45 UTCEPSS rescore
  2. 2026-07-11 13:06 UTCGHSA enrichment
  3. 2026-07-11 08:26 UTCEPSS rescore
  4. 2026-07-11 08:26 UTCEPSS rescore
  5. 2026-07-10 12:33 UTCGHSA enrichment
  6. 2026-07-09 19:09 UTCEPSS rescore
  7. 2026-07-09 11:55 UTCGHSA enrichment
  8. 2026-07-08 15:14 UTCEPSS rescore
  9. 2026-07-08 11:23 UTCGHSA enrichment
  10. 2026-07-07 13:45 UTCEPSS rescore
  11. 2026-07-07 10:51 UTCGHSA enrichment
  12. 2026-07-06 16:26 UTCEPSS rescore
  13. 2026-07-06 10:02 UTCGHSA enrichment
  14. 2026-07-06 02:22 UTCEPSS rescore
  15. 2026-07-06 02:22 UTCEPSS rescore
  16. 2026-07-05 09:29 UTCGHSA enrichment
  17. 2026-07-04 08:58 UTCGHSA enrichment
  18. 2026-07-04 06:30 UTCEPSS rescore
  19. 2026-07-03 08:25 UTCGHSA enrichment
  20. 2026-07-02 07:54 UTCGHSA enrichment
  21. 2026-07-01 15:06 UTCEPSS rescore
  22. 2026-07-01 07:22 UTCEG score recompute
  23. 2026-07-01 07:21 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-15666?
CVE-2025-15666 is a medium vulnerability published on July 1, 2026. A security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads…
When was CVE-2025-15666 disclosed?
CVE-2025-15666 was first published in the National Vulnerability Database on July 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-15666 actively exploited?
CVE-2025-15666 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-15666?
CVE-2025-15666 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2025-15666?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-15666, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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