cvedb.io
CVE-2026-6754
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-04-21T13:16:21.420 · Last modified 2026-06-30T03:21:16.670

Summary

Use-after-free in the JavaScript Engine component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.