CVE-2026-8389
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 150.0.3.
- Score
- CVSS 3.1 8.8 High
- Status
- Modified - security@mozilla.org
- Published
- 2026-05-12
- Last modified
- 2026-10-26
- Weaknesses
- CWE-119, CWE-686, CWE-733, CWE-843
Affected products
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2036983
- https://www.mozilla.org/security/advisories/mfsa2026-45/
- https://github.com/crixpwn/CVE-2026-8389
- https://access.redhat.com/security/cve/CVE-2026-8389
- https://bugzilla.redhat.com/show_bug.cgi?id=2476466
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8389.json
