🛡️ CVE-2025-6119 — assimp

🟡 CVSS 5.3 — Medium ⚠️ Exploit Public CWE-119 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability classified as critical has been found in Open Asset Import Library Assimp up to 5.4.3. Affected is the function Assimp::BVHLoader::ReadNodeChannels in the library assimp/code/AssetLib/BVH/BVHLoader.cpp. The manipulation of the argument pNode leads to use after free. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The project decided to collect all Fuzzer bugs in a main-issue to address them in the future.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2025-6119 is classified as CWE-119: Improper Restriction of Operations within Memory Buffer Bounds. A read or write is performed without confirming it stays inside the allocated buffer, corrupting adjacent memory.

Affected software

CVE-2025-6119 is recorded against 1 package.

  • assimp (fixed in 5.4.3)

Timeline and source

Published on 16 June 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com
github.com
vuldb.com
vuldb.com
vuldb.com

CVE-2025-6119 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE CWE-119
Public Exploit ⚠️ Yes
Source NVD
Published 2025-06-16
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
assimp — 5.4.3

Similar Threats

Exploit Protection

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CVE-2025-6119 carries CVSS 5.3 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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