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Security Vulnerabilities fixed in Firefox ESR 115.31 — Mozilla

🗓️ 09 Dec 2025 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla
🔗 www.mozilla.org👁 8 Views

Firefox ESR 115.31 fixes: WebGL canvas escape, notifications escalation, JavaScript miscompilation, and policy bypass.

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Vulners
Node
mozillafirefoxRange<115.31esr

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09 Dec 2025 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.19.8
EPSS0.00072
SSVC
8