CVE-2026-8389

JIT miscompilation in the JavaScript Engine: JIT component

CVSS 8.8 HIGHEPSS 0.3%CWE-119 CWE-686 CWE-843

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Productos afectados

Mozilla · Firefox

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Referencias

https://bugzilla.mozilla.org/show_bug.cgi?id=2036983 https://github.com/crixpwn/CVE-2026-8389 https://www.mozilla.org/security/advisories/mfsa2026-45/