Firefox Vulnerabilities

Security vulnerability tracking for Mozilla Firefox

Last updated: Apr 8, 2026
Total CVEs

32

Critical

28

With Exploits

32

Last 30 Days

0

Vulnerability Timeline

32 vulnerabilities discovered over time for Firefox

Severity Distribution

Critical28
88%
High3
9%
Medium1
3%
Low0
0%

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About Mozilla Firefox Security

This page provides comprehensive security vulnerability tracking for Mozilla Firefox. Our database includes all CVEs affecting this product, updated in real-time from official sources.

Each vulnerability listing includes detailed CVSS severity analysis, exploit availability status, AI-generated explanations, and direct links to official security patches and vendor advisories.

Security Recommendations

  • • Always keep Firefox updated to the latest version
  • • Subscribe to security advisories from Mozilla
  • • Monitor this page for new vulnerabilities affecting your version
  • • Prioritize patching critical and high severity issues immediately