HIGHCVSS 7.5

CVE-2026-6754

CVE-2026-6754 updated by NVD

Modified: 2026-10-27
Sources: nvd

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.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-6754

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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