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									A use-after-free vulnerability has been found in Firefox before 71.0. Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. | 
								 
								
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									A use-after-free vulnerability has been found in Firefox before 71.0 and Thunderbird before 68.3. Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. | 
								 
							 
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