OESA-2026-2798 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

CVE-2026-42055

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...

BIT-NGINX-2026-42055 NGINX ngx_http_proxy_v2_module and ngx_http_grpc_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

nginx 1.13.10 < 1.30.3 / 1.31.x < 1.31.2 Buffer Overflow

The installed version of nginx is 1.13.10 prior to 1.30.3, or 1.31.x prior to 1.31.2. It is, therefore, affected by the following issue : - NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the...

ALPINE-CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

EUVD-2026-37718

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

PT-2026-50438

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source versions prior to 1.31.2-1.1 Description An issue exists in the ngx http proxy v2 module and ngx http grpc module modules. The problem occurs when the proxy http version is set to 2 ...

nginx -- multiple vulnerabilities

The nginx developers report: A use-after-free vulnerability when using HTTP/3 and processing a specially crafted QUIC session may allow memory corruption or a segmentation fault in a worker process CVE-2026-42530. A heap memory buffer overflow vulnerability when using the "ignoreinvalidheaders...