PatchTheCVExz vulnerabilities and fixes
Recent CVEs affecting xz, with upgrade or downgrade steps. 1 tracked.
xz has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-02. Highest priority: CVE-2026-34743 (score 34/100).
- CVE-2026-34743 MEDIUM 5.3 UPGRADE XZ Utils provide a general-purpose data-compression library plus command-line tools
FAQ
How do I fix xz vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is xz being exploited right now?
None of the tracked xz CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which xz CVE should I patch first?
CVE-2026-34743 currently ranks highest (34/100): XZ Utils provide a general-purpose data-compression library plus command-line tools.