Open Asset Import Library Assimp Model File SceneCombiner.cpp Copy heap-based overflow
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| Open Asset Import Library | Assimp | 5.4.0; 5.4.1; 5.4.2; 5.4.3 | — | No fix listed | CNA |
- Assimp VendorOpen Asset Import Library Affected 5.4.0; 5.4.1; 5.4.2; 5.4.3 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:* | — | — | Open Asset Import Library |
- cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:* Versions — — ·Open Asset Import Library
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15666
- 2026-10-03 Alias added: GHSA-5hv8-2h72-hc2x
References
More Open Asset Import Library vulnerabilities
- TI-2022-22579 An issue was discovered with assimp 5.1.4, a use after free occurred in function… CVSS 3.1HIGH 8.8
- TI-2024-32382 An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the… CVSS 3.1HIGH 8.4
- TI-2026-74913 NULL pointer dereference in Assimp Ogre mesh import crashes host CVSS 4.0MEDIUM 6.8
- TI-2026-74912 NULL pointer dereference in Assimp Ogre importer crashes applications CVSS 4.0MEDIUM 6.8
- TI-2024-35797 A heap-buffer-overflow vulnerability was discovered in the SkipSpacesAndLineEnd function… CVSS 3.1MEDIUM 6.2
- TI-2024-32385 A segmentation fault (SEGV) was detected in the SortByPTypeProcess::Execute function in… CVSS 3.1MEDIUM 6.2
Sources
- CVE-2025-15666 · CVE Program
- CVE-2025-15666 · NVD
- FIRST EPSS
- GHSA-5hv8-2h72-hc2x · GitHub Advisory Database · CC BY 4.0
- CVE-2025-15666 · Red Hat security data · CC BY 4.0
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