Weak Encryption Vulnerability in Poco Package

poco Updated 02 Oct 2025

Summary

06/08/2025
N/A
No i
Unrated
Not published

DEBIAN-CVE-2025-45766: poco v1.14.1-release was discovered to contain weak encryption. Affects poco versions 1.10.0-6 – 1.14.2-3. No fix is published. How to fix ↓

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Background

Poco is a collection of open-source C++ libraries designed to simplify the development of network-centric applications. It provides features such as HTTP, FTP, and WebSocket support, along with data serialization and database connectivity. The package is widely used in various applications due to its performance and ease of use. However, a vulnerability has been identified in version 1.14.1-release, which compromises the encryption strength used by the library.

Vulnerability Detail

The vulnerability, identified as CVE-2025-45766, arises from weak encryption mechanisms within the Poco library. This issue has been disputed, as it is argued that the responsibility for setting key lengths lies with the application developers rather than the library itself. Nonetheless, the potential ramifications include exposure of sensitive data and increased risk of unauthorized access, making it a significant concern for developers relying on this library for secure communications.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As a temporary workaround, developers can implement additional encryption layers in their applications to mitigate the risks associated with weak encryption in the Poco library. This can be done by using stronger encryption algorithms or libraries that provide enhanced security features.

Conclusion

The Poco library has a vulnerability related to weak encryption, which could pose significant risks to applications utilizing it. It is crucial for developers to address this issue by updating to a patched version or implementing workarounds to ensure the security of their applications.

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FAQ

CVE-2025-45766 is a vulnerability in the Poco library that involves weak encryption mechanisms, potentially exposing sensitive data.

If your application uses the affected version of Poco, it may be at risk of unauthorized access and data breaches due to weak encryption.

Yes, users are advised to update to the latest version of the Poco package where a patch may be available.

Consider implementing additional encryption layers in your application as a temporary workaround to enhance security.

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Related vulnerabilities

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How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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