PT-2026-40020
CVE-2026-8388
·
Published
2026-05-12
·
Updated
2026-06-29
Description by
CVSS 3.1
9.8
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 150.0.3
Description
Incorrect boundary conditions exist in the Just-In-Time (JIT) component of the JavaScript Engine. JIT is a compilation method that improves performance by compiling bytecode into native machine code at runtime.
Recommendations
Update to version 150.0.3.
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