Protocol Buffers 3.0-3.24 · Version Status
Protocol Buffers 3.0-3.24 End of Life Date
Protocol Buffers 3.0-3.24 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Protocol Buffers 3.0-3.24 is past end of life. This version no longer receives security patches. Past EOL — migrate to a supported version immediately.
EOL Date
date not published
Past EOL
Latest Release
3.24.4
Standard release
Release Date
Jul 27, 2016
Protocol Buffers 3.0-3.24 series
Lifecycle detail
Protocol Buffers 3.0-3.24 was released on July 27, 2016. It is not an LTS release; Protocol Buffers reserves longer patch windows for its LTS versions.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Protocol Buffers 3.0-3.24 support is available
Commercial vendors offer security patches beyond EOL. Right now that coverage spans Protocol Buffers 3.x. Compare your options.
Compare Options →
All Protocol Buffers Versions
| Version | Latest | EOL Date | Status |
|---|
| 2.x |
2.6.1 |
Supported |
EOL |
| → 3.0-3.24 |
3.24.4 |
Supported |
EOL |
| 3.25 LTS |
3.25.9 |
Mar 31, 2027 |
Active |
| 4.x |
4.35.1 |
Mar 31, 2028 |
Active |
What does Protocol Buffers 3.0-3.24 end of life mean?
When Protocol Buffers 3.0-3.24 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Protocol Buffers 3.0-3.24 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Protocol Buffers 4.x or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Protocol Buffers 3.0-3.24 reach end of life?
Protocol Buffers 3.0-3.24 has already reached end of life, though the vendor has not published an exact date.
Is Protocol Buffers 3.0-3.24 still supported?
No. Protocol Buffers 3.0-3.24 reached end of life on date not published and is no longer receiving security patches.
What should I upgrade to from Protocol Buffers 3.0-3.24?
The recommended upgrade from Protocol Buffers 3.0-3.24 is
Protocol Buffers 4.x — the latest actively supported version. Check the
Protocol Buffers full timeline for all supported versions.
What are the security risks of running Protocol Buffers 3.0-3.24 past EOL?
When Protocol Buffers 3.0-3.24 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Protocol Buffers should migrate immediately or implement compensating controls.