Moderate Security Vulnerability in qt5-qt3d: Heap-Based Overflow in Assimp Q3DLoader
Summary
ALSA-2025:20963: Moderate: qt5-qt3d security update. Affects qt5-qt3d versions < 5.15.9-2.el9_7.1. Fixed in 5.15.9-2.el9_7.1. How to fix ↓
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Background
Qt 3D is a module of the Qt framework that provides functionality for near-realtime simulation systems, supporting both 2D and 3D rendering in applications developed with Qt C++ and Qt Quick. It is widely used for creating visually rich applications and games. However, a security vulnerability has been identified in the Assimp Q3DLoader component, which could potentially allow attackers to exploit the system.
Vulnerability Detail
The vulnerability, identified as CVE-2025-11277, is a heap-based overflow in the Assimp Q3DLoader.cpp file. This flaw can be exploited by an attacker to execute arbitrary code or crash the application, leading to a denial of service. The vulnerability arises from improper handling of file inputs, which can be manipulated to overflow the heap memory, compromising the integrity of the application and potentially allowing unauthorized access to system resources.
How To Fix
Minimum fixed version
5.15.9-2.el9_7.1
This is the first release that contains the fix.
sudo dnf update qt5-qt3dTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can avoid using the Assimp Q3DLoader component until the packages are updated. Additionally, ensure that any input files processed by the application are validated and sanitized to mitigate the risk of exploitation.
Conclusion
The qt5-qt3d package has a moderate security vulnerability that can lead to significant risks if not addressed. Users are advised to update to the patched version as soon as possible and consider implementing temporary workarounds to mitigate potential exploitation.
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FAQ
CVE-2025-11277 is a security vulnerability in the Assimp Q3DLoader component of the qt5-qt3d package, which can lead to a heap-based overflow.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring any signup.
Exploitation of this vulnerability can lead to arbitrary code execution or application crashes, resulting in a denial of service and potential unauthorized access to system resources.
You can update the affected packages by running the command: sudo dnf update qt5-qt3d qt5-qt3d-devel qt5-qt3d-examples in your terminal.
Yes, as a temporary measure, avoid using the Assimp Q3DLoader component and ensure that all input files are validated and sanitized.
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