WhatsApp has acknowledged a security flaw within the app that allowed hackers to access people’s messages by sending a malicious video file.
The Facebook-owned messaging app posted a security advisory about the bug, named CVE-2019-11931, which affects earlier versions of the app on both Android and iOS devices.
The advisory described the issue as a “stack-based buffer overflow” that was capable of triggering dangerous code through sending a “specifically crafted MP4 file to a WhatsApp user”.
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