Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_sequence_infos out-of-bounds
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
A security vulnerability has been detected in Assimp up to 6.0.4. Affected by this issue is the function HL1MDLLoader::read_sequence_infos of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. The manipulation of the argument aiString leads to out-of-bounds read. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project tagged the reported issue as bug.
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 |
|---|---|---|---|---|---|
| — | Assimp | 6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4 | — | No fix listed | CNA |
- Assimp Vendor— Affected 6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4 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: Low. 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-2026-10233
- 2026-10-03 Alias added: GHSA-964j-jgrw-m572
References
Sources
- CVE-2026-10233 · CVE Program
- CVE-2026-10233 · NVD
- FIRST EPSS
- GHSA-964j-jgrw-m572 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-10233 · Red Hat security data · CC BY 4.0
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