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Security Vulnerabilities fixed in Firefox ESR 115.40 — Mozilla

🗓️ 01 Sep 2026 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla
🔗 www.mozilla.org👁 9 Views

Internal memory corruption bugs in Firefox ESR 115.40 presumed exploitable with sufficient effort.

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mozillafirefoxRange<115.40esr

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01 Sep 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.110
EPSS0.00455
SSVC
9