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ZDI-26-578: NGINX HTTP Dav Module Alias Directive Integer Underflow Remote Code Execution Vulnerability

A critical remote code execution vulnerability has been reported in the NGINX HTTP WebDAV module. The flaw, identified as ZDI-26-578, is described as an integer underflow that arises from insufficient validation of user-supplied data during the parsing of WebDAV requests. Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.

CVE-2026-42533critical

Critical NGINX Vulnerability Can Crash Workers and May Allow Remote Code Execution

A critical vulnerability, tracked as CVE-2026-42533, has been reported in NGINX, a widely used web server and reverse proxy. This flaw is said to potentially enable remote attackers to crash worker processes and may, in certain configurations, lead to remote code execution. The vulnerability affects a broad range of NGINX versions, specifically from 0.9.6 up to 1.31.2.