Firefox 159
Firefox 159 gets security updates until 10/11/2026.
Latest version: 159.0, released on 27/10/2026
End of support: 10/11/2026
No known vulnerability open in 159.0
Vulnerabilities in Firefox 159
The NVD lists no vulnerability that affects this branch. Last checked on 03/11/2026.
66 vulnerabilities of Firefox have no version information in the NVD and are not assigned to any branch.
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