freedesktop SDK 21.08 · Version Status
freedesktop SDK 21.08 End of Life Date
freedesktop SDK 21.08 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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freedesktop SDK 21.08 is past end of life. This version no longer receives security patches. 1130 days past EOL — migrate to a supported version immediately.
EOL Date
Sep 4, 2023
1130 days past EOL
Latest Release
21.08.22
Standard release
Release Date
Sep 4, 2021
freedesktop SDK 21.08 series
Lifecycle detail
freedesktop SDK 21.08 was released on September 4, 2021 and support ended on September 4, 2023 — a supported lifespan of 2 years, in line with the 2 years median for freedesktop SDK releases. The last patch it will ever receive is 21.08.22, published October 2, 2023 — 28 days after the published end-of-life date. It has been without security patches for 3 years and 1 month. 4 newer freedesktop SDK releases have shipped since.
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 freedesktop SDK 21.08 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
All freedesktop SDK Versions
| Version | Latest | EOL Date | Status |
|---|
| → 21.08 |
21.08.22 |
Sep 4, 2023 |
EOL |
| 22.08 |
22.08.28 |
Sep 1, 2024 |
EOL |
| 23.08 |
23.08.34 |
Sep 6, 2025 |
EOL |
| 24.08 |
24.08.37 |
Sep 8, 2026 |
EOL |
| 25.08 |
25.08.17 |
Sep 1, 2027 |
Active |
| 26.08 |
26.08.2 |
Sep 1, 2028 |
Active |
What does freedesktop SDK 21.08 end of life mean?
When freedesktop SDK 21.08 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: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running freedesktop SDK 21.08 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to freedesktop SDK 26.08 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does freedesktop SDK 21.08 reach end of life?
freedesktop SDK 21.08 reached end of life on September 4, 2023. This version is no longer receiving security patches.
Is freedesktop SDK 21.08 still supported?
No. freedesktop SDK 21.08 reached end of life on September 4, 2023 and is no longer receiving security patches.
What should I upgrade to from freedesktop SDK 21.08?
The recommended upgrade from freedesktop SDK 21.08 is
freedesktop SDK 26.08 — the latest actively supported version. Check the
freedesktop SDK full timeline for all supported versions.
What are the security risks of running freedesktop SDK 21.08 past EOL?
When freedesktop SDK 21.08 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL freedesktop SDK should migrate immediately or implement compensating controls.