Support for Firefox 158 ended on 27/10/2026. There are no more security updates for this branch.
Latest version: 158.0.1, released on 20/10/2026
End of support: 27/10/2026
No known vulnerability open in 158.0.1
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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