CVE-2019-3568

criticalknown exploitedcovered by 1 sourcefirst seen 2022-04-19

Actively exploited. CVE-2019-3568 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-04-19) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number.

CSIRTS triage

What: A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number.
Who is affected: Users of WhatsApp using the VOIP feature.
Urgency: Remediation is urgent due to active exploitation and critical severity.
Action: Update WhatsApp to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2019-3568: WhatsApp VOIP Stack Buffer Overflow Vulnerabilitycisa-kev · 2022-04-19

External references

NVD record for CVE-2019-3568

CVE.org record

CISA KEV catalog

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