nginx 1.9

Status EOLSupport 2015-04 – 2016-05Latest 1.9.15Vulnerabilities 24← All nginx versions
Critical 9.8
2016-02-15< 1.9.10

nginx: use-after-free during CNAME response processing in resolver

Critical 9.8 Unfixed
2021-06-06≤ 1.9.15

nginx: buffer overflow in ngx_gmtime() triggered by 5 digit years

High 8.2 Unfixed
2026-03-24≤ 1.9.15

NGINX ngx_http_dav_module vulnerability

High 7.8 Unfixed
2026-03-24≤ 1.9.15

NGINX ngx_http_mp4_module vulnerability

High 7.8 Unfixed
2026-03-24≤ 1.9.15

NGINX ngx_http_mp4_module vulnerability

High 7.7 Unfixed
2021-06-01≤ 1.9.15

nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name

High 7.5 Unfixed
2026-03-24≤ 1.9.15

NGINX ngx_mail_auth_http_module vulnerability

High 7.5
2016-02-15< 1.9.10

nginx: invalid pointer dereference in resolver

High 7.5 Unfixed
2016-06-07≤ 1.9.15

nginx: NULL pointer dereference while writing client request body

High 7.5 Unfixed
2017-07-13≤ 1.9.15

nginx: Integer overflow in nginx range filter module leading to memory disclosure

High 7.5 Unfixed
2018-11-07≥ 1.9.5 and ≤ 1.9.15

nginx: Excessive CPU usage via flaw in HTTP/2 implementation

High 7.5 Unfixed
2018-11-07≥ 1.9.5 and ≤ 1.9.15

nginx: Excessive memory consumption via flaw in HTTP/2 implementation

KEV Unfixed
2023-10-10≥ 1.9.5 and ≤ 1.9.15

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

High 7.5 Unfixed
2019-08-13≥ 1.9.5 and ≤ 1.9.15

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service

High 7.5 Unfixed
2019-08-13≥ 1.9.5 and ≤ 1.9.15

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service

High 7.4 Unfixed
2022-03-23≤ 1.9.15

ALPACA: Application Layer Protocol Confusion - Analyzing and Mitigating Cracks in TLS Authentication

High 7.1 Unfixed
2022-10-19≤ 1.9.15

NGINX ngx_http_mp4_module vulnerability CVE-2022-41742

Medium 6.5 Unfixed
2019-08-13≥ 1.9.5 and ≤ 1.9.15

Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service

Medium 6.1 Unfixed
2018-11-07≤ 1.9.15

nginx: Denial of service and memory disclosure via mp4 module

Medium 5.9 Unfixed
2026-02-04≤ 1.9.15

NGINX vulnerability

Medium 5.3
2016-02-15< 1.9.10

nginx: Insufficient limits of CNAME resolution in resolver

Medium 5.3 Unfixed
2020-01-09≤ 1.9.15

nginx: HTTP request smuggling in configurations with URL redirect used as error_page

Low 3.7 Unfixed
2026-03-24≤ 1.9.15

NGINX ngx_mail_proxy_module vulnerability

Low 3.7 Unfixed
2025-08-13≤ 1.9.15

NGINX ngx_mail_smtp_module vulnerability