Question 1

What is the EOL Risk Score for Protocol Buffers 3.25?

Accepted Answer

Protocol Buffers 3.25 has an EOL Risk Score™ of 10 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (0/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Protocol Buffers 3.25 still supported?

Accepted Answer

Protocol Buffers 3.25 is currently supported. End of life is scheduled for March 31, 2027. Plan your migration before that date to avoid security risk.

Question 3

When does Protocol Buffers 3.25 reach end of life?

Accepted Answer

Protocol Buffers 3.25 reached (or will reach) end of life on March 31, 2027. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Protocol Buffers 3.25 after end of life?

Accepted Answer

After end of life, Protocol Buffers 3.25 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.