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A use-after-free crash could have occurred on macOS if a Firefox update were being applied on a very busy system. This could have resulted in an exploitable crash. This vulnerability affects Firefox < 122.

🗓️ 04 Sep 2025 00:25:16Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

On macOS, a use after free during Firefox updates could cause an exploitable crash in versions below 122.

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04 Sep 2025 00:25Current
9.2High risk
Vulners AI Score9.2
CVSS 3.16.5
EPSS0.00419
SSVC
2