Signal fixed a bug that could have allowed attackers to eavesdrop on victims by placing and then immediately auto-answering a call, without the callee's permission. The bug is reminiscent of Apple's FaceTime bug discovered in January, which similarly allowed attackers to eavesdrop on other iPhone users by placing and auto-approving a FaceTime audio or video call. This time, the bug only works via Signal audio calls, and not video, as the Signal app requires users to manually...
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