BIT-NGINX-2026-42530 NGINX Open-Source ngx_http_v3_module vulnerability

NGINX Open Source has a vulnerability in the ngxhttpv3module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session to reopen a QPACK encoder stream. This m...

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 0.3.50 < 1.30.3 / 1.31.x < 1.31.2 Buffer Overread in ngx_http_charset_module

The installed version of nginx is 0.3.50 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 ngxhttpcharsetmodule module. When content is served or proxied through a location block with both...

ROS-20260622-73-0042

The vulnerability of the ngxhttpmp4module in NGINX Plus and NGINX Open Source HTTP servers is related to reading beyond the buffer boundaries in memory. Exploiting this vulnerability can allow an attacker to cause service failures or execute arbitrary code...

Vulnerability of the ngx_http_v3_module in NGINX HTTP servers; NGINX Open Source platform for application monitoring and management; NGINX Ingress Controller, NGINX Gateway Fabric server controller; NGINX Instance Manager automation platform. These tools allow attackers to bypass security restrictions, execute arbitrary code, or cause service failures.

The vulnerability of the ngxhttpv3module in the NGINX HTTP server, the NGINX Ingress Controller for application monitoring and management, the NGINX Gateway Fabric for web server controllers, and the NGINX Instance Manager for automation platforms are related to the ability to exploit memory afte...

ROS-20260622-73-0045

The vulnerability of the ngxmailauthhttpmodule module in NGINX Plus and NGINX Open Source is related to the use of the NULL pointer. Exploiting this vulnerability can allow a malicious actor to cause service interruptions...

Linux Distros Unpatched Vulnerability : CVE-2026-42055

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the...

FreeBSD : nginx -- multiple vulnerabilities (08b0c0f6-6a85-11f1-b8e5-3497f65b111b)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 08b0c0f6-6a85-11f1-b8e5-3497f65b111b advisory. The nginx developers report: A use-after-free vulnerability when using HTTP/3 and processing a...

Linux Distros Unpatched Vulnerability : CVE-2026-48142

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both...

Linux Distros Unpatched Vulnerability : CVE-2026-42530

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NGINX Open Source has a vulnerability in the ngxhttpv3module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticate...

Debian dla-4634 : libnginx-mod-http-auth-pam - security update

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4634 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4634-1 [email protected] https://www.debian.org/lts/security/...

GHSA-4MR2-FG2P-W63C Traefik Kubernetes Ingress NGINX provider fails open when auth-secret resolution fails

Summary There is a medium severity vulnerability in Traefik's Kubernetes Ingress NGINX provider that causes affected routes to fail open. When an Ingress explicitly enables BasicAuth or DigestAuth through the supported nginx.ingress.kubernetes.io/auth-type and auth-secret annotations, but the...

SUSE-SU-2026:22178-1 Security update for nginx

This update for nginx fixes the following issue - CVE-2026-9256: heap buffer overflow in the ngxhttprewritemodule when using a configuration with overlapping captures bsc1266215...

OPENSUSE-SU-2026:21107-1 Security update for nginx

This update for nginx fixes the following issue - CVE-2026-9256: heap buffer overflow in the ngxhttprewritemodule when using a configuration with overlapping captures bsc1266215...

Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: nginx: nginx-1.30.3-2.hum1 aarch64, x8664 nginx-all-modules-1.30.3-2.hum1 noarch nginx-core-1.30.3-2.hum1 aarch64, x8664 nginx-filesystem-1.30.3-2.hum1 noarch nginx-mod-devel-1.30.3-2.hum1 aarch6...

nginx: NGINX: Arbitrary code execution or Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers

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 ...

nginx: NGINX: Memory disclosure or denial of service via ngx_http_charset_module heap buffer over-read

A flaw was found in NGINX. Remote, unauthenticated attackers can exploit a vulnerability in the ngxhttpcharsetmodule when specific charset configurations are present. This can lead to a heap buffer over-read, potentially causing limited disclosure of memory or a denial of service by restarting th...

SUSE 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...

SUSE CVE-2026-42530

NGINX Open Source has a vulnerability in the ngxhttpv3module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session to reopen a QPACK encoder stream. This m...

SUSE CVE-2026-48142

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpcharsetmodule module. When content is served or proxied through a location block with both sourcecharset utf-8; and a charset directive for example, charset koi8-r; configured, remote, unauthenticated attackers can send requests ...