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 ...

CVE-2026-42055

CVE-2026-42055 affects NGINX Plus and NGINX Open Source via the ngx_http_proxy_v2_module and ngx_http_grpc_module. A remote, unauthenticated attacker can exploit scenarios where proxy_http_version 2 or grpc_pass is used, ignore_invalid_headers is off, and large_client_header_buffers is set to mul...

MiracleLinux 8 : httpd:2.4 (AXSA:2025-10834:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-10834:01 advisory. httpd: insufficient escaping of user-supplied data in modssl CVE-2024-47252 httpd: modssl: access control bypass by trusted clients is possible usi...

Astra Linux – Vulnerability in Apache2

In certain proxy configurations, a denial-of-service attack against Apache HTTP Server versions 2.4.26 through 2.4.63 can occur when untrusted clients trigger an assertion in modproxyhttp2. The configurations affected include reverse proxies configured for HTTP/2 backends, where ProxyPreserveHost...

RockyLinux 8 : httpd:2.4 (RLSA-2025:15123)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:15123 advisory. httpd: insufficient escaping of user-supplied data in modssl CVE-2024-47252 httpd: modssl: access control bypass by trusted clients is possible using TL...

Moderate: mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: modproxyhttp2: untrusted input from a client causes an assertion to fail in the Apache modproxyhttp2 module CVE-2025-49630 For more details about the security...