Denial of Service - Attack Type

Related Threat Clusters

• Critical Zero-Day Vulnerability CVE-2026-20182 Exploited in Cisco SD-WAN Systems

  Cisco has disclosed a critical authentication bypass vulnerability, CVE-2026-20182, affecting its Catalyst SD-WAN Controller and Manager. This flaw allows unauthenticated remote attackers to bypass authentication and…

  131 articles · Updated May 14, 2026
• Critical NGINX Vulnerability CVE-2026-42945 Exposes Millions to RCE and DoS Attacks

  A critical vulnerability, CVE-2026-42945, has been discovered in the NGINX web server's ngx_http_rewrite_module, allowing unauthenticated attackers to execute remote code or crash servers. This heap-based buffer…

  51 articles · Updated May 13, 2026
• Critical NGINX UI Vulnerability CVE-2026-33032 Under Active Exploitation

  A critical vulnerability in the nginx-ui web server management tool, tracked as CVE-2026-33032, has been actively exploited since March 2026. This flaw allows attackers to bypass authentication on the /mcp_message…

  22 articles · Updated April 15, 2026
• Critical OS Command Injection Vulnerability in Atlassian Bamboo Disclosed

  Atlassian has announced two critical vulnerabilities in its Bamboo Data Center and Server product, including a severe OS command injection flaw (CVE-2026-21571) and a high-severity denial-of-service issue. The command…

  2 articles · Updated April 22, 2026
• Windows RasMan Zero-Day Vulnerability Exploited with Unofficial Patches

  A new zero-day vulnerability in Windows' Remote Access Connection Manager (RasMan) has been identified, allowing attackers to crash the service. Unofficial patches have been released by ACROS Security to mitigate this…

  5 articles · Updated December 12, 2025
• Critical DoS Vulnerabilities in openSUSE xorg-x11-server Addressed

  On April 15, 2026, SUSE released important updates for the xorg-x11-server to address multiple denial-of-service (DoS) vulnerabilities. The vulnerabilities include CVE-2026-33999, CVE-2026-34000, CVE-2026-34001,…

  3 articles · Updated April 15, 2026
• Critical OpenSSL Vulnerabilities Affect Multiple Ubuntu Versions

  Recent updates to OpenSSL have revealed multiple vulnerabilities affecting various Ubuntu LTS versions. CVE-2026-2673, discovered by Viktor Dukhovni, involves incorrect negotiation of key exchange groups in TLS 1.3…

  2 articles · Updated April 9, 2026
• Apache Traffic Server Vulnerabilities Enable Denial-of-Service Attacks

  The Apache Software Foundation has issued critical security updates for two vulnerabilities in Apache Traffic Server (ATS), disclosed on April 2, 2026. These flaws allow remote attackers to trigger denial-of-service…

  2 articles · Updated April 6, 2026
• GitLab Issues Emergency Patches for Multiple Security Vulnerabilities

  GitLab has released urgent security patches for versions 19.0.1, 18.11.4, and 18.10.7 to address seven vulnerabilities affecting both Community Edition (CE) and Enterprise Edition (EE). The flaws include access control…

  2 articles · Updated May 30, 2026
• Critical Denial of Service Vulnerability in .NET on Ubuntu Systems

  A critical vulnerability has been identified in .NET affecting multiple versions of Ubuntu, including 26.04 LTS and earlier releases. Discovered by Muhammad Abdul Rehman, the flaw allows specially crafted network…

  2 articles · Updated May 25, 2026

Recent Intelligence Reports

• 122 — cwe.mitre.org · July 16, 2026
• Critical NGINX vulnerability crashes servers — Cybernews · July 16, 2026
• CVE 2026 44064 — nvd.nist.gov · July 16, 2026
• F5 Fixes 3 NGINX Flaws Enabling Potential Remote Code Execution, Memory Disclosure, and DoS Attacks — Gbhackers · July 16, 2026
• Ubuntu 26.04 LTS .NET Critical Privilege Escalation DoS Vuln 8553 — Linuxsecurity · July 16, 2026
• USN-8553-1: .NET vulnerabilities — Ubuntu · July 15, 2026
• Ubuntu 26.04 Wget Critical DoS & Code Exec Flaws USN-8543 — Linuxsecurity · July 14, 2026
• 190 — cwe.mitre.org · July 14, 2026

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