Cybersecurity startup Aisle discovered a subtle but dangerous coding error in a Firefox WebAssembly implementation sat undetected for six months despite being shipped with a regression testing capability created by Mozilla to find such a problem.

The post Undetected Firefox WebAssembly Flaw Put 180 Million Users at Risk appeared first on Security Boulevard.

Jeffrey Burt

Source: Security Boulevard
Source Link: https://securityboulevard.com/2025/12/undetected-firefox-webassembly-flaw-put-180-million-users-at-risk/