Question 1

What is the EOL Risk Score for Fedora 43?

Accepted Answer

Fedora 43 has an EOL Risk Score™ of 38 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (8/40), Attack Surface (30/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Fedora 43 still supported?

Accepted Answer

Fedora 43 is currently supported. End of life is scheduled for December 9, 2026. Plan your migration before that date to avoid security risk.

Question 3

When does Fedora 43 reach end of life?

Accepted Answer

Fedora 43 reached (or will reach) end of life on December 9, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Fedora 43 after end of life?

Accepted Answer

After end of life, Fedora 43 no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.