Firefox security advisories
6 threat alerts tracking vulnerabilities and security advisories that affect Firefox products.
Vulnios monitors Firefox CVE feeds, vendor advisories, CISA KEV listings, and exploit-prediction data continuously. Each alert below is enriched with severity, exploitation status, affected products, and a remediation path. Use this page to scan recent Firefox security news in one place, or click into an individual alert for full detail.
Who’s Tracking You? Use This New Service to Find Out
Krebs on Security published an research on "Who’s Tracking You? Use This New Service to Find Out". Topic areas: news, breach, investigation, ransomware. Published August 14, 2026. See the original sou
criticalSANS Internet Storm Center Advisory — Jul 22, 2026
This isn't a new attack, but something I saw "pop-up" in our logs this week: ]]>
criticalCVE-2024-36401Lessons Learned from CISA’s Recent GitHub Leak
Krebs on Security published an research on "Lessons Learned from CISA’s Recent GitHub Leak". Topic areas: news, breach, investigation, ransomware. Published July 13, 2026. See the original source link
criticalCISA Admin Leaked AWS GovCloud Keys on Github
Krebs on Security published an research on "CISA Admin Leaked AWS GovCloud Keys on Github". Topic areas: news, breach, investigation, ransomware. Published May 18, 2026. See the original source linked
criticalFirefox Vulnerability Allows Tor User Fingerprinting
The vulnerability is tracked as CVE-2026-6770 and it has been patched with the release of Firefox 150 and Tor 15.0.10. The post Firefox Vulnerability Allows Tor User Fingerprinting appeared first on S
highCVE-2026-6770Claude Mythos Finds 271 Firefox Vulnerabilities
All the flaws could have also been found by an elite human researcher, according to Mozilla. The post Claude Mythos Finds 271 Firefox Vulnerabilities appeared first on SecurityWeek. ]]>
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