Is Nginx 1.21.6 patched?
Nginx / F5 · cycle 1.21 · end of life · Official site ↗
20/100Critical · exploited
Minimum safe version1.29.8
1.21.6 has 4 open critical-or-high vulnerabilities. Run 1.29.8 or later to clear them. See what 1.29.8 fixes →
Known issues affecting 1.21.6
Exploited first, then by exploitation probability.
CVE-2023-44487 HIGH ● exploited EPSS 94% → fixed in r29 CVE-2025-23419 MEDIUM EPSS 3% → fixed in r32 CVE-2022-41741 HIGH EPSS 1% → see advisory CVE-2022-41742 HIGH EPSS 0% → see advisory CVE-2026-49975 HIGH EPSS 0% → fixed in 1.29.8