SB2025112027 - Incomplete validation of rich response messages in WhatsApp for iOS and Mac
Published: November 20, 2025
Security Bulletin ID
SB2025112027
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-55179)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to insufficient validation of rich response messages. A remote attacker can send a specially crafted message that will trigger processing of media content from an arbitrary URL on another user’s device.
Remediation
Install update from vendor's website.