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CVE-2019-3568: WhatsApp VOIP Stack Buffer Overflow Vulnerability

criticalknown exploitedCVE-2019-3568
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation 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

vendor: WhatsAppproduct: VOIP StackRemote code execution
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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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-04-19
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2019-3568

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2019-3568coverage & exploitation statusNVD · CVE.org

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