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Mozilla fixes Firefox zero-day actively exploited in attacks (www.bleepingcomputer.com)

submitted 1 month ago by yogthos@lemmy.ml to c/firefox@lemmy.ml

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[–] PoolloverNathan@programming.dev 1 points 1 month ago

Based on your quite, this is a use-after-free, meaning that despite Firefox marking the memory region as free to be reallocated, it continues to use the memory. This is dangerous as an attacker may be able to allocate in that region, leetting them change the old structure's values.

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