A memory flaw in Firefox’s WebAssembly implementation remained hidden for six months, affecting over 180 million users and risking arbitrary code execution. This incident highlights the importance of AI-driven security research and continuous patch management for safeguarding modern browsers. #Firefox #WebAssembly #MemorySafety
Keypoints
- The vulnerability, CVE-2025-13016, is caused by a subtle pointer arithmetic mistake in Firefox’s WebAssembly GC.
- The flaw allows attackers to corrupt memory and execute arbitrary code through malicious WebAssembly modules.
- The issue is triggered during specific array-to-string conversions under memory pressure, activating a fallback routine.
- Organizations should apply the latest Firefox patches, enforce strict browser policies, and monitor for WebAssembly-related errors.
- This incident emphasizes the need for autonomous security analysis tools and rigorous patch management in modern browsers.
Read More: https://www.esecurityplanet.com/threats/critical-firefox-bug-leaves-180m-users-exposed/