Vulnerability Database

308,926

Total vulnerabilities in the database

CVE-2018-20655

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.

  • Published: Jun 14, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-20655
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
whatsapp / whatsapp - 2.18.90.24
whatsapp / whatsapp_business - 2.18.90.24