Moderate Security Update for Python Packages: Addressing CVE-2025-8194
Summary
ALSA-2025:14984: Moderate: python3.12 security update. Affects python-unversioned-command versions < 3.12.9-2.el10_0.3. Fixed in 3.12.9-2.el10_0.3. How to fix ↓
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Background
Python is a widely-used interpreted, interactive, object-oriented programming language known for its simplicity and versatility. It supports modules, classes, exceptions, and dynamic data types, making it suitable for various applications, from web development to data analysis. The recent vulnerability affects several Python packages in AlmaLinux 10, including python-unversioned-command, python3, and others, which are essential for running Python applications and scripts.
Vulnerability Detail
The vulnerability, identified as CVE-2025-8194, arises from an infinite loop issue in the CPython implementation when parsing tar files. This flaw can lead to denial of service, as it may cause applications to hang indefinitely when processing certain tar files. The vulnerability affects multiple Python packages, making it critical for users to address it promptly to maintain application stability and security.
How To Fix
Minimum fixed version
3.12.9-2.el10_0.3
This is the first release that contains the fix.
sudo dnf update python-unversioned-commandTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If immediate updating is not feasible, users can avoid processing untrusted tar files to mitigate the risk of exploitation until the packages are updated.
Conclusion
The vulnerability CVE-2025-8194 poses a moderate risk to Python packages in AlmaLinux 10, necessitating prompt action to update affected packages. Users are encouraged to follow the outlined steps to ensure their applications remain secure and stable.
See every vulnerability recorded for python-unversioned-command →
FAQ
CVE-2025-8194 is a vulnerability in the CPython implementation that causes an infinite loop when parsing certain tar files, potentially leading to denial of service.
The affected packages include python-unversioned-command, python3, python3-debug, python3-devel, python3-idle, python3-libs, python3-test, and python3-tkinter in AlmaLinux 10.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. By uploading your manifest file, such as package-lock.json, you can check for vulnerabilities without needing to install any software.
As a temporary measure, avoid processing untrusted tar files to reduce the risk of exploitation until you can update the affected packages.
For detailed information, including the impact and CVSS score, refer to the CVE page associated with CVE-2025-8194.
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