The WhatsApp cloud service before late 2024 did not block certain crafted PDF content that can defeat a sandbox protection mechanism and consequently allow remote access to messaging applications by third parties, as exploited in the wild in 2024 for installation of Android malware associated with BIGPRETZEL.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
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