Critical Security Update for Chromium: DSA-5866-1
Summary
DSA-5866-1: chromium - security update. Affects chromium versions < 133.0.6943.98-1~deb12u1. Fixed in 133.0.6943.98-1~deb12u1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Chromium is an open-source web browser project that aims to build a safer, faster, and more stable way for all users to experience the web. It serves as the foundation for many browsers, including Google Chrome. The package is widely used in various operating systems, including Debian, and is known for its speed and security features. However, like any software, it can be vulnerable to security issues that may compromise user data and system integrity.
Vulnerability Detail
The vulnerability identified as DSA-5866-1 pertains to multiple security flaws in the Chromium package, specifically affecting versions prior to 133.0.6943.98-1~deb12u1. These flaws could allow attackers to execute arbitrary code, leading to potential data breaches or unauthorized access to sensitive information. The vulnerabilities are cataloged under CVE-2025-0995, CVE-2025-0996, CVE-2025-0997, and CVE-2025-0998, each representing different aspects of the security risks posed by the outdated package.
How To Fix
Minimum fixed version
133.0.6943.98-1~deb12u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade chromium
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to update to the patched version as soon as possible.
Conclusion
The DSA-5866-1 advisory highlights critical vulnerabilities in the Chromium package that could pose significant risks to users. It is essential to update to the latest patched version to ensure the security of your system. Regular monitoring of vulnerabilities using tools like Vulert can help maintain the integrity of your software.
See every vulnerability recorded for chromium →
FAQ
DSA-5866-1 is a security advisory related to vulnerabilities found in the Chromium package, which could potentially allow unauthorized access to user data.
You can check if your version of Chromium is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor vulnerabilities without requiring installation.
If you cannot update immediately, it is advisable to limit the use of Chromium until the update can be applied to minimize exposure to potential attacks.
While specific exploits for these vulnerabilities have not been publicly disclosed, the nature of the vulnerabilities suggests that they could be exploited to gain unauthorized access to systems.
More information about the vulnerabilities can be found in the official Debian security advisory and the related CVE entries.
Related vulnerabilities
Recent vulnerabilities recorded for chromium.