Question 1

What is the EOL Risk Score for DuckDB 1.4?

Accepted Answer

DuckDB 1.4 has an EOL Risk Score™ of 25 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (15/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is DuckDB 1.4 still supported?

Accepted Answer

DuckDB 1.4 is currently supported. End of life is scheduled for September 16, 2026. Plan your migration before that date to avoid security risk.

Question 3

When does DuckDB 1.4 reach end of life?

Accepted Answer

DuckDB 1.4 reached (or will reach) end of life on September 16, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running DuckDB 1.4 after end of life?

Accepted Answer

After end of life, DuckDB 1.4 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.