Malicious Code Detected in bloomr Package - Security Alert
Summary
MAL-2025-15852: Malicious code in bloomr (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The bloomr package is an npm library designed for creating and managing bloom filters, which are space-efficient probabilistic data structures used for membership testing. It is commonly utilized in applications requiring quick lookups with minimal memory usage. However, recent findings have revealed that the package contains malicious code, posing a significant security risk to users and their applications.
Vulnerability Detail
The vulnerability in the bloomr package originates from the inclusion of malicious code that can compromise the security of applications utilizing this library. This code may allow unauthorized access to sensitive data, lead to data corruption, or enable other malicious activities. The issue affects all versions of the package starting from its introduction, making it imperative for users to take immediate action to mitigate potential risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall bloomrIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, consider removing the bloomr package from your project until a secure version is released. You can do this by running the following command: npm uninstall bloomr. This will help mitigate the risk associated with the malicious code while you await a fix.
Conclusion
The bloomr package has been identified to contain malicious code, which poses a serious threat to applications using it. Users are strongly advised to update or remove the package to safeguard their applications. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
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FAQ
The bloomr package is used for creating and managing bloom filters, which are efficient data structures for membership testing in applications.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in your software. By analyzing your package-lock.json file, it can identify if your application is affected.
If an immediate update is not possible, consider removing the bloomr package from your project as a temporary measure to avoid potential security risks.
Detailed information about the vulnerability can be found in the Open Source Vulnerability database, specifically at the provided GitHub link.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
