CVE-2026-42533 - Vulnerability Details

Related Threat Clusters

• Critical NGINX Vulnerability CVE-2026-42533 Poses RCE and DoS Risks

  F5 disclosed a critical vulnerability in NGINX, identified as CVE-2026-42533, which can lead to remote code execution (RCE) and denial-of-service (DoS) attacks. The flaw is a heap buffer overflow triggered by crafted…

  36 articles · Updated July 16, 2026
• Critical Vulnerabilities in Fedora 44 NGINX Modules Require Immediate Attention

  Fedora 44 has released critical updates for multiple NGINX modules due to vulnerabilities identified as CVE-2026-42533, CVE-2026-60005, and CVE-2026-56434, all published on July 15, 2026. These vulnerabilities allow for…

  14 articles · Updated July 23, 2026

Recent Intelligence Reports

• Fedora 44 nginx-mod-vts Critical Patch for Code Execution 2026 — Linuxsecurity · July 23, 2026
• Fedora 44 nginx-mod-modsecurity Critical Update for CVE-2026 — Linuxsecurity · July 23, 2026
• Fedora 44 nginx-mod-naxsi Critical Arbitrary Code Exec Vuln 2026 — Linuxsecurity · July 23, 2026
• Fedora 44 nginx-mod-headers-more Critical Code Exec Fix 2026 — Linuxsecurity · July 23, 2026
• Fedora 44 nginx Moderate Arbitrary Code Execution Vuln 2026 — Linuxsecurity · July 23, 2026
• Fedora 44 NGINX-Mod-Brotli Critical Fix for CVE-2026 — Linuxsecurity · July 23, 2026
• CVE-2026-42533: Critical NGINX Map Regex Flaw — Socprime · July 16, 2026
• CVE-2026-42533 Detail — Nvd.Nist · July 16, 2026

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