Mozilla Summary

Mozilla has published 208 vulnerabilities in 2025.

4 have exploits πŸ‘Ύ and 4 have trended in the news.

Vulnerability Breakdown

CRITICAL
43
HIGH
78
MEDIUM
76
LOW
3

Plus 8 vulnerabilities yet to be given a severity rating.

Vulnerability Severity By Month 2025

Total Mozilla Vulnerabilities

CRITICAL
312
HIGH
655
MEDIUM
697
LOW
16

Plus 1,451 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2025

Vulnerability Published Matrix for 2024

Mozilla Cyber Security Vulnerability Stats and Metrics