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nginx 1.21 vulnerabilities

4 known CVEs affect the 1.21 line of nginx.

1 KEV7.5 max CVSSSupport ended 2022-06-21
Check your versionnginx -v

CVEs affecting 1.21

CVE Title CVSS Exploited EPSS Published
CVE-2023-44487 The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can... 7.5 KEV 100.0% 2023-10-10
CVE-2022-41742 NGINX ngx_http_mp4_module vulnerability CVE-2022-41742 7.1 1.2% 2022-10-20
CVE-2022-41741 NGINX ngx_http_mp4_module vulnerability CVE-2022-41741 7.0 0.8% 2022-10-20
CVE-2025-23419 TLS Session Resumption Vulnerability 5.3 2.7% 2025-02-06

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Data: CVE List (CVE® Program), NVD, CISA KEV, FIRST EPSS (see EPSS at https://www.first.org/epss), endoflife.date. Software list: awesome-selfhosted (CC BY-SA 3.0).