# CVE-2021-45948: assimp: Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from...

CVE-2021-45948 is fixed in assimp on 1 platform, first by DEBIAN-CVE-2021-45948, released January 1, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2021-45948
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0097
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 1, 2022

## Description

Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | assimp Debian 12.15 (bookworm) | 5.1.1~ds0-1 | [DEBIAN-CVE-2021-45948](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45948.md) | Jan 1, 2022 |
| Linux | assimp Debian 13.5 (trixie) | 5.1.1~ds0-1 | [DEBIAN-CVE-2021-45948](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45948.md) | Jan 1, 2022 |
| Linux | assimp Debian 14 | 5.1.1~ds0-1 | [DEBIAN-CVE-2021-45948](https://patchblox.com/security/data/fix/linux/debian-cve-2021-45948.md) | Jan 1, 2022 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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