JIT Miscompilation Vulnerability in Firefox by Mozilla

CVE-2025-14330

What is CVE-2025-14330?

A vulnerability has been identified in the JavaScript Engine's Just-In-Time (JIT) compilation component of Firefox, which could lead to improper execution of JavaScript code. This can potentially allow an attacker to exploit the flaw to compromise the integrity and security of affected user systems. Users running versions prior to Firefox 146 and Firefox ESR versions below 140.6 should be particularly cautious, as they are susceptible to this issue.

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