Kaspersky recently uncovered a zero-day vulnerability in Google Chrome Mozilla now says it has found a similar issue in Firefox The bug was used to target Russian targets in a cyber-espionage campaign ...

Chrome 135 and Firefox 137 updates have been rolled out with patches for critical- and high-severity vulnerabilities.

Mozilla has released Firefox 136.0.4 to patch a critical security vulnerability that can let attackers escape the web browser's sandbox on Windows systems. Tracked as CVE-2025-2857, this flaw is ...

In a brief update, Mozilla said it updated the browser to Firefox version 136.0.4 after identifying and fixing the new bug, ...

Furthermore, the Firefox address bar now offers enhanced search functions, and the developers have again patched a number of security flaws. Firefox ESR and Tor Browser also got security updates.

The attack, which exploits the flaw CVE ... “sandbox,” a security layer meant to isolate malicious processes. “Following the sandbox escape in CVE-2025-2783, various Firefox developers ...