CVE-2025-55179: Undefined Security Weakness

Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business for iOS v2.25.23.82, and WhatsApp for Mac v2.25.23.83 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device. We have not seen...

CVE-2025-55177: Incorrect Authorization

Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We...

PT-2020-15163

Name of the Vulnerable Software and Affected Versions WhatsApp for iOS versions prior to 2.20.111 WhatsApp Business for iOS versions prior to 2.20.111 Description A use-after-free issue in the logging library could result in memory corruption, crashes, and potentially code execution. This issue...

CVE-2020-1909: Use After Free

A use-after-free in a logging library in WhatsApp for iOS prior to v2.20.111 and WhatsApp Business for iOS prior to v2.20.111 could have resulted in memory corruption, crashes and potentially code execution. This could have happened only if several events occurred together in sequence, including...

CVE-2020-1903: Uncontrolled Resource Consumption

An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received...

PT-2020-15157

Name of the Vulnerable Software and Affected Versions WhatsApp for iOS versions prior to 2.20.61 WhatsApp Business for iOS versions prior to 2.20.61 Description An issue with unzipping docx, pptx, and xlsx documents could result in an out-of-memory denial of service. The issue would require the...

CVE-2020-1907: Out-of-bounds Write

A stack overflow in WhatsApp for Android prior to v2.20.196.16, WhatsApp Business for Android prior to v2.20.196.12, WhatsApp for iOS prior to v2.20.90, WhatsApp Business for iOS prior to v2.20.90, and WhatsApp for Portal prior to v173.0.0.29.505 could have allowed arbitrary code execution when...

CVE-2020-1904: Relative Path Traversal

A path validation issue in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have allowed for directory traversal overwriting files when sending specially crafted docx, xlsx, and pptx files as attachments to messages...

PT-2020-15158

Name of the Vulnerable Software and Affected Versions WhatsApp for iOS versions prior to 2.20.61 WhatsApp Business for iOS versions prior to 2.20.61 Description A path validation issue could have allowed for directory traversal, overwriting files when sending specially crafted docx, xlsx, and ppt...

CVE-2018-20655: Stack-based Buffer Overflow

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...