CVE-2026-8389

Description

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

Affected Platforms

Weakness Type

CWE-119, CWE-686, CWE-843, CWE-733

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2036983
• https://www.mozilla.org/security/advisories/mfsa2026-45/
• https://access.redhat.com/security/cve/CVE-2026-8389
• https://bugzilla.redhat.com/show_bug.cgi?id=2476466
• https://github.com/crixpwn/CVE-2026-8389
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8389.json