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CVE-2019-3568 is a critical memory corruption vulnerability in the WhatsApp VoIP stack. The flaw is described as a buffer overflow, including reporting that characterizes it as a heap overflow, triggered by a specially crafted series of RTCP/SRTCP packets delivered during a WhatsApp call to a target phone number. Successful exploitation allows remote code execution on the target device without authentication and, notably, without requiring the recipient to answer the call or otherwise interact with the application. Affected products include WhatsApp for Android before 2.19.134, WhatsApp Business for Android before 2.19.44, WhatsApp for iOS before 2.19.51, WhatsApp Business for iOS before 2.19.51, WhatsApp for Windows Phone before 2.18.348, and WhatsApp for Tizen before 2.18.15.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A WhatsApp buffer overflow vulnerability enabling remote code execution via crafted RTCP packets, used to silently deliver NSO Group’s Pegasus spyware to targeted devices.
Critical heap/buffer overflow vulnerability in WhatsApp VoIP stack that enabled zero-click exploitation via crafted RTCP packets.
A buffer overflow vulnerability in the WhatsApp VoIP stack that allows remote code execution via specially crafted SRTCP packets sent to a target phone number, enabling spyware-style compromise without the victim answering the call.
A WhatsApp vulnerability used by NSO Group to deliver Pegasus spyware, notably against Android phones, and patched by WhatsApp in 2019.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.