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CVE-2026-32647

Medium priority
Needs evaluation

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_mp4_module module, which might allow an attacker to trigger a buffer over-read or over-write to the NGINX worker memory resulting in its termination or possibly...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-28755

Medium priority
Needs evaluation

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_stream_ssl_module module due to the improper handling of revoked certificates when configured with the ssl_verify_client on and ssl_ocsp on directives, allowing the...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-28753

Medium priority
Needs evaluation

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_mail_smtp_module module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-27784

Medium priority
Needs evaluation

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngx_http_mp4_module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-27654

Medium priority
Needs evaluation

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_http_dav_module module that might allow an attacker to trigger a buffer overflow to the NGINX worker process; this vulnerability may result in termination of the...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-27651

Medium priority
Needs evaluation

When the ngx_mail_auth_http_moduleĀ module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occur when (1) CRAM-MD5 or APOP authentication is enabled, and...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-1642

Medium priority

Some fixes available 3 of 7

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Fixed Fixed Vulnerable Vulnerable
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CVE-2025-53859

Medium priority

Some fixes available 4 of 8

NGINX Open Source and NGINX Plus have a vulnerability in the ngx_mail_smtp_module that might allow an unauthenticated attacker to over-read NGINX SMTP authentication process memory; as a result, the server side may leak arbitrary...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Fixed Fixed Needs evaluation Needs evaluation
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CVE-2024-33452

Medium priority
Needs evaluation

An issue in OpenResty lua-nginx-module v.0.10.26 and before allows a remote attacker to conduct HTTP request smuggling via a crafted HEAD request.

3 affected packages

lua-nginx-memcached, lua-nginx-redis, lua-nginx-websocket

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
lua-nginx-memcached Needs evaluation Needs evaluation Needs evaluation Needs evaluation
lua-nginx-redis Needs evaluation Needs evaluation Needs evaluation Needs evaluation
lua-nginx-websocket Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-23419

Medium priority

Some fixes available 4 of 7

When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers. This vulnerability arises when ...

1 affected package

nginx

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
nginx Fixed Fixed Fixed Needs evaluation
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