Critical Security Update for Roundcube: Addressing CVE-2025-49113
Summary
DSA-5934-1: roundcube - security update. Affects roundcube versions < 1.6.5+dfsg-1+deb12u5. Fixed in 1.6.5+dfsg-1+deb12u5. How to fix ↓
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Background
Roundcube is a widely used web-based email client that provides a user-friendly interface for managing emails. It is known for its extensibility, allowing users to customize their experience with plugins and themes. However, like many web applications, Roundcube can be vulnerable to security issues, which can compromise user data and application integrity. The recent vulnerability identified as CVE-2025-49113 poses a significant risk to users of Roundcube version prior to 1.6.5+dfsg-1+deb12u5.
Vulnerability Detail
The vulnerability CVE-2025-49113 in Roundcube arises from improper handling of user input, which could allow an attacker to execute arbitrary code or perform unauthorized actions within the application. This could lead to data breaches, unauthorized access to user accounts, and potential exploitation of the server hosting the Roundcube instance. The issue is particularly concerning as it affects a widely deployed version of the software, making it critical for users to address it promptly.
How To Fix
Minimum fixed version
1.6.5+dfsg-1+deb12u5
This is the first release that contains the fix.
sudo apt-get install --only-upgrade roundcubeTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users are advised to restrict access to the Roundcube application by implementing firewall rules or using web server configurations to limit exposure until the update can be applied.
Conclusion
The vulnerability CVE-2025-49113 in Roundcube represents a serious risk to users of the application. It is crucial to update to the patched version 1.6.5+dfsg-1+deb12u5 to mitigate potential threats. Users are encouraged to monitor their systems for vulnerabilities and take proactive measures to secure their applications.
See every vulnerability recorded for roundcube →
FAQ
CVE-2025-49113 is a security vulnerability in Roundcube that allows for potential arbitrary code execution due to improper input handling.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failing to update Roundcube could expose your application to attacks that may lead to data breaches, unauthorized access, and other security incidents.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just a manifest file like package-lock.json.
If an immediate update is not possible, consider implementing temporary workarounds such as restricting access to the application until the update can be applied.
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