Updated every hour from CISA, NVD, CVE.org and Linux vendors

Patch your Linux and Unix servers before attackers do

The vulnerabilities that matter right now, the exact commands to fix them on your system, and clear step-by-step help when something has already gone wrong.

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Exploited or critical vulnerabilities in Linux and Unix server software, newest first. Not sure what CVE, CVSS or EPSS mean? See the glossary.

Updated 2026-11-03 18:05 UTC · all vulnerabilities · RSS

Start with your system

The patch cycle

1. Find outadvisories, KEV 2. Checkam I affected? 3. Patchfixed package 4. Restartservice / reboot 5. Verifyversion, logs repeat for every new advisory
Most break-ins use flaws that already had a fix. The faster you go round this loop, the smaller the window.

Where the information comes from. The vulnerability list is rebuilt every hour from public, official sources: the CISA Known Exploited Vulnerabilities catalog, NVD, CVE.org, FIRST EPSS and the Debian, Ubuntu and Red Hat security trackers. Every page links to its sources. Read about our sources.