5.3
MEDIUM CVSS 3.1
CVE-2025-15666
Open Asset Import Library Assimp Model File SceneCombiner.cpp Copy heap-based overflow
Description

A security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.

INFO

Published Date :

July 1, 2026, 7:16 a.m.

Last Modified :

July 1, 2026, 3:16 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-15666 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Assimp assimp
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Update Open Asset Import Library Assimp to a version later than 5.4.3 to fix heap buffer overflow.
  • Update Open Asset Import Library Assimp to a non-vulnerable version.
  • Apply security patches provided by the vendor.
  • Recompile the affected component after updating.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-15666.

URL Resource
https://github.com/assimp/assimp/issues/6079
https://vuldb.com/cve/CVE-2025-15666
https://vuldb.com/submit/844487
https://vuldb.com/vuln/374595
https://vuldb.com/vuln/374595/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-15666 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-15666 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-15666 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 01, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2025-15666', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-01T13:33:41.253809Z'}
  • New CVE Received by [email protected]

    Jul. 01, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:assimp:assimp:*:*:*:*:*:*:*:*'], 'vendor': 'Open Asset Import Library', 'modules': ['Model File Handler'], 'product': 'Assimp', 'versions': [{'status': 'affected', 'version': '5.4.0'}, {'status': 'affected', 'version': '5.4.1'}, {'status': 'affected', 'version': '5.4.2'}, {'status': 'affected', 'version': '5.4.3'}]}]
    Added Description A security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-119
    Added CWE CWE-122
    Added Reference https://github.com/assimp/assimp/issues/6079
    Added Reference https://vuldb.com/cve/CVE-2025-15666
    Added Reference https://vuldb.com/submit/844487
    Added Reference https://vuldb.com/vuln/374595
    Added Reference https://vuldb.com/vuln/374595/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.