MEDIUMCVSS 5.3

CVE-2026-8391

CVE-2026-8391 updated by NVD

Modified: 2026-10-27
Sources: nvd

Summary

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.0.3, Firefox ESR 115.36, Firefox ESR 140.11, and Thunderbird 140.11.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-8391

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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