CVE-2018-20655

CRITICAL

9.8

Description

When receiving calls using WhatsApp for iOS, a missing size check when parsing a sender-provided packet allowed for a stack-based overflow. This issue affects WhatsApp for iOS prior to v2.18.90.24 and WhatsApp Business for iOS prior to v2.18.90.24.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/14/2019

Last Modified9/3/2025

Sourcenvd

Honeypot Sightings0

Affected Products

whatsapp:whatsappwhatsapp:whatsapp_business

Weaknesses (CWE)

CWE-121CWE-787

References

http://www.securityfocus.com/bid/108805(cve-assign@fb.com)

https://www.facebook.com/security/advisories/cve-2018-20655/(cve-assign@fb.com)

http://www.securityfocus.com/bid/108805(af854a3a-2127-422b-91ae-364da2661108)

https://www.facebook.com/security/advisories/cve-2018-20655/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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