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Security Vulnerabilities fixed in Firefox ESR 140.7 — Mozilla

🗓️ 13 Jan 2026 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla
🔗 www.mozilla.org👁 5 Views

Security vulnerabilities fixed in Firefox ESR 140.7; memory safety bugs in ESR 140.6 and Firefox 146.

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mozillafirefoxRange<140.7esr

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13 Jan 2026 00:00Current
7.8High risk
Vulners AI Score7.8
CVSS 3.17.5 - 9.8
EPSS0.00034
SSVC
5