Mozilla Exploited Vulnerabilities
Mozilla vulnerabilities known to be exploited. Over the past 365 days, sorted by exploit discovery date.
Vulnerability Published:
🗓️ Published
- Anytime
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Out-of-Bounds Read or Write Vulnerability in Firefox ESR by Mozilla
CVE-2025-4919MozillaFirefox📈👾📰8.8HIGHOut-of-Bounds Read and Write Vulnerability in Firefox ESR by Mozilla
CVE-2025-4918MozillaFirefox🥇📈👾📰9.8CRITICALSandbox Escape Vulnerability in Firefox for Windows
CVE-2025-2857MozillaFirefox🥇📈👾📰10CRITICALUnprotected URI Links in Thunderbird Address Book by Mozilla
CVE-2025-1015MozillaThunderbird👾🟡EPSS 27%5.4MEDIUM