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Memory safety bugs present in Firefox 126. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 127.

🗓️ 03 Sep 2025 21:57:45Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 11 Views

Memory safety bugs in Firefox 126 with corruption evidence that could allow arbitrary code; affects Firefox before 127.

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03 Sep 2025 21:57Current
8.4High risk
Vulners AI Score8.4
CVSS 3.19.8
EPSS0.00577
SSVC
11