Open Asset Import Library Assimp File Compression.cpp decompressBlock heap-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- 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 flaw has been discovered in Open Asset Import Library Assimp 17c12da. Impacted is the function Assimp::Compression::decompressBlock of the file code/Common/Compression.cpp of the component File Parser. Performing a manipulation results in heap-based buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
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 | 17c12da | — | No fix listed | CNA |
- Assimp VendorOpen Asset Import Library Affected 17c12da 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-2026-19967
- 2026-10-03 Alias added: GHSA-34wg-h67q-gqwf
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-2026-19967 · CVE Program
- CVE-2026-19967 · NVD
- FIRST EPSS
- GHSA-34wg-h67q-gqwf · GitHub Advisory Database · CC BY 4.0
- CVE-2026-19967 · Red Hat security data · CC BY 4.0
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