Critical severity9.8NVD Advisory· Published Jun 14, 2019· Updated Jun 17, 2026

CVE-2018-20655

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Whatsapp/WhatsApp Businessllm-fuzzy
Range: <2.18.90.24
Whatsapp/WhatsApp for iPhonellm-fuzzy
Range: <2.18.90.24
Facebook/WhatsAppllm-fuzzy
Range: <2.18.90.24
Facebook/WhatsApp Businesscpe-rescue
Range: 2.18.90.24
Facebook/WhatsApp for iPhonecpe-rescue
Range: 2.18.90.24

Patches

Vulnerability mechanics

References

www.securityfocus.com/bid/108805nvdThird Party AdvisoryVDB Entry
www.facebook.com/security/advisories/cve-2018-20655/nvdThird Party Advisory

News mentions

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