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Is Quarkus 3.21.4 patched?

Red Hat · cycle 3.21 · end of life · Official site ↗
3.21.440/100End of life

Current stable (3.36.2): 100/100

Minimum safe version3.27.3.1

3.21.4 has 1 open critical-or-high vulnerability. Run 3.27.3.1 or later to clear it. See what 3.27.3.1 fixes →

Health score40/100
Open issues2
Exploited now0
Cycle 3.21 EOL2025-04-30
Latest release3.36.2

Summary iPlain-English security status for Quarkus 3.21.4, built from its CVEs, active-exploitation data, end-of-life date and latest release.

Quarkus 3.21.4 is part of the 3.21 release line. 2 known vulnerabilities affect it. The minimum safe version is 3.27.3.1 — upgrade to it or later to clear the open critical/high issues. The 3.21 line reached end-of-life on 2025-04-30, so it no longer receives security patches. The latest supported Quarkus release is 3.36.2.

Known issues affecting 3.21.4

Exploited first, then by exploitation probability.

CVE-2025-66560 MEDIUM EPSS 0% → fixed in 3.31.0 CVE-2026-39852 HIGH EPSS 0% → fixed in 3.35.2

Other Quarkus versions

Check another release line of Quarkus.

Quarkus 3.36.2Quarkus 3.35.4Quarkus 3.34.7Quarkus 3.33.2Quarkus 3.32.4Quarkus 3.31.4Quarkus 3.30.8Quarkus 3.29.4Quarkus 3.28.5Quarkus 3.27.4Quarkus 3.26.4Quarkus 3.25.4Quarkus 3.24.5Quarkus 3.23.4Quarkus 3.22.3Quarkus 3.20.6.1Quarkus 3.19.4Quarkus 3.18.4Quarkus 3.17.8Quarkus 3.16.4Quarkus 3.15.7Quarkus 3.14.4Quarkus 3.13.3Quarkus 3.12.3Quarkus 3.11.3Quarkus 3.10.2Quarkus 3.9.5Quarkus 3.8.6.1Quarkus 3.7.4Quarkus 3.6.9Quarkus 3.5.3Quarkus 3.4.3Quarkus 3.3.3Quarkus 3.2.12Quarkus 3.1.3Quarkus 3.0.4Quarkus 2.16.12Quarkus 2.15.3Quarkus 2.14.3Quarkus 2.13.9Quarkus 2.12.3Quarkus 2.11.3Quarkus 2.10.4Quarkus 2.9.2Quarkus 2.8.3Quarkus 2.7.7Quarkus 2.6.3Quarkus 2.5.4Quarkus 2.4.2Quarkus 2.3.1Quarkus 2.2.5Quarkus 2.1.4Quarkus 2.0.3Quarkus 1.13.7Quarkus 0.28.1

Frequently asked

Is Quarkus 3.21.4 patched?

Quarkus 3.21.4 is end-of-life and no longer receives security patches. Move to 3.36.2.

What version should I upgrade Quarkus 3.21.4 to?

Upgrade Quarkus 3.21.4 to at least 3.27.3.1 to clear its 1 open critical-or-high vulnerability.

When does Quarkus 3.21 reach end-of-life?

Quarkus 3.21 reached end-of-life on 2025-04-30 and no longer receives security patches.

What is the latest version of Quarkus?

The latest supported Quarkus release is 3.36.2.

Is Quarkus 3.21.4 still receiving security updates?

No — Quarkus 3.21.4 is on the 3.21 line, which reached end-of-life on 2025-04-30 and no longer receives security updates. Upgrade to 3.36.2 or later to stay supported.

Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against Red Hat's official advisory before you patch or upgrade — Quarkus official site ↗