Vulnerability · Published Jun 1, 2026 · Assigned by VulDB
CVE-2026-10230Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_animations heap-based overflow
Medium 5.3
In plain English
A medium-severity heap buffer overflow in Assimp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Official description
A vulnerability was identified in Assimp up to 6.0.4. This impacts the function Assimp::MDL::HalfLife::HL1MDLLoader::read_animations of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The project tagged the reported issue as bug.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | assimp | no fix listed | DEBIAN-CVE-2026-10230 |
| Debian:13 | assimp | no fix listed | DEBIAN-CVE-2026-10230 |
| Debian:14 | assimp | no fix listed | DEBIAN-CVE-2026-10230 |
| Ubuntu:22.04:LTS | assimp | no fix listed | UBUNTU-CVE-2026-10230 |
| Ubuntu:24.04:LTS | assimp | no fix listed | UBUNTU-CVE-2026-10230 |
| Ubuntu:25.10 | assimp | no fix listed | UBUNTU-CVE-2026-10230 |
| Ubuntu:26.04:LTS | assimp | no fix listed | UBUNTU-CVE-2026-10230 |
| Ubuntu:26.10 | assimp | no fix listed | UBUNTU-CVE-2026-10230 |
Affected products (as reported)
Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-367509 | Assimp Half-Life 1 MDL Loader HL1MDLLoader.cpp read_animations heap-based overflow vdb-entry, technical-description
- VDB-367509 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-10230 | CVE Analysis and Report third-party-advisory
- Submit #821190 | Assimp commit 17c12da Heap-based Buffer Overflow third-party-advisory
- https://github.com/assimp/assimp/issues/6615 exploit, issue-tracking
- https://github.com/assimp/assimp/ product