nginx 1.2

Status EOLSupport 2012-04 – 2013-04Latest 1.2.9Vulnerabilities 23← All nginx versions
Critical 9.8 Unfixed
2016-02-15≤ 1.2.9

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

Critical 9.8 Unfixed
2021-06-06≤ 1.2.9

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

High 8.2 Unfixed
2026-03-24≤ 1.2.9

NGINX ngx_http_dav_module vulnerability

High 7.8 Unfixed
2026-03-24≤ 1.2.9

NGINX ngx_http_mp4_module vulnerability

High 7.8 Unfixed
2026-03-24≤ 1.2.9

NGINX ngx_http_mp4_module vulnerability

High 7.7 Unfixed
2021-06-01≤ 1.2.9

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≤ 1.2.9

NGINX ngx_mail_auth_http_module vulnerability

High 7.5
2013-10-27< 1.2.1

High 7.5 Unfixed
2013-11-23≤ 1.2.9

High 7.5 Unfixed
2016-02-15≤ 1.2.9

nginx: invalid pointer dereference in resolver

High 7.5 Unfixed
2017-07-13≤ 1.2.9

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

High 7.4 Unfixed
2022-03-23≤ 1.2.9

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

High 7.1 Unfixed
2022-10-19≤ 1.2.9

NGINX ngx_http_mp4_module vulnerability CVE-2022-41742

High 7.0 Unfixed
2022-10-19≤ 1.2.9

NGINX ngx_http_mp4_module vulnerability CVE-2022-41741

Medium 6.1 Unfixed
2018-11-07≤ 1.2.9

nginx: Denial of service and memory disclosure via mp4 module

Medium 5.8
2013-07-18≤ 1.2.8

Medium 5.3 Unfixed
2016-02-15≤ 1.2.9

nginx: Insufficient limits of CNAME resolution in resolver

Medium 5.3 Unfixed
2020-01-09≤ 1.2.9

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

Medium 5.0
2012-07-26< 1.2.1

Medium 4.8
2019-11-19= 1.2.6

Medium 4.3 Unfixed
2014-12-08≤ 1.2.9

nginx: virtual host confusion

Low 3.7 Unfixed
2026-03-24≤ 1.2.9

NGINX ngx_mail_proxy_module vulnerability

Low 3.7 Unfixed
2025-08-13≤ 1.2.9

NGINX ngx_mail_smtp_module vulnerability