CVE-2025-3549
low
CVSS v3
3.3
CVSS v2
4.3
VIR risk
3.3
Description
A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD3Importer::ValidateSurfaceHeaderOffsets of the file code/AssetLib/MD3/MD3Loader.cpp of the component File Handler. The manipulation leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
Predictions
Exploit likelihood
34%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-3549.html
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2025-3549
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 6.0.3+ds-1 |
| debian | sid | fixed | 6.0.3+ds-1 |
| debian | trixie | affected | |
| sles | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | pyassimp | <=5.4.3 | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| assimp | assimp | 5.4.3 | |
References
- https://security-tracker.debian.org/tracker/CVE-2025-3549
- https://github.com/assimp/assimp/issues/6070
- https://github.com/user-attachments/files/19580481/Assimp_MD3Importer_ValidateSurfaceHeaderOffsets-hbo.zip
- https://vuldb.com/?ctiid.304590
- https://vuldb.com/?id.304590
- https://vuldb.com/?submit.546414
- https://www.suse.com/security/cve/CVE-2025-3549.html
CWEs
CWE-119 CWE-122
Verify integrity in audit chain (admin only). AS-IS.