Mozilla Summary

Mozilla has published 18 vulnerabilities in 2026.

Vulnerability Breakdown

CRITICAL
4
HIGH
7
MEDIUM
6
LOW
0

Plus 1 vulnerabilities yet to be given a severity rating.

Vulnerability Severity By Month 2026

Total Mozilla Vulnerabilities

CRITICAL
316
HIGH
662
MEDIUM
703
LOW
16

Plus 1,452 vulnerabilities without a severity rating.

Vulnerability Severity By Year

Vulnerability Published Matrix for 2026

Vulnerability Published Matrix for 2025