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.

Related CVEs

CVE-2018-20655

Key Information

GHSA ID

GHSA-99ph-jqg7-g9v9

Published

May 24, 2022 4:48 PM

Last Modified

April 4, 2024 12:57 AM

CVSS Score

9.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 4, 2025 6:27 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.