denial-of-service

  1. India CERT-In Warns of High-Risk Microsoft Flaws; Patch Windows, Office, Azure Now

    The Indian Computer Emergency Response Team (CERT-In) on 18 August 2025 issued a high‑risk advisory warning that multiple critical vulnerabilities across Microsoft’s product portfolio place millions of Windows and Office users in India — from home desktops to enterprise Azure deployments — at...
  2. Siemens SIMATIC CN 4100 Vulnerability (CVE-2025-40593): Risks & Mitigation Strategies for ICS Security

    When assessing the cybersecurity landscape for industrial control systems (ICS), one of the most significant developments in recent months has centered on Siemens’ SIMATIC CN 4100 device. This network component, widely deployed across critical manufacturing sectors worldwide, has come under...
  3. Critical Zero-Click Windows Deployment Services Vulnerability Exposes Organizations to DoS Attacks

    A surge of concern has swept through IT and cybersecurity circles following the disclosure of a critical zero-click vulnerability in Microsoft’s Windows Deployment Services (WDS) platform. Unlike more intricate bugs that require a sophisticated attacker or privileged access, this flaw enables...
  4. Understanding CVE-2025-21174: A Critical Windows Vulnerability

    Introduction An emerging threat in the ever-evolving landscape of Windows security has captured the attention of experts and administrators alike. CVE-2025-21174 involves the Windows Standards-Based Storage Management Service—a core component tasked with managing storage operations on Windows...
  5. CVE-2025-24997: New DirectX Vulnerability Poses Denial-of-Service Risk

    A recent advisory from Microsoft’s Security Response Center has brought to light a new vulnerability—CVE-2025-24997—that affects the DirectX Graphics Kernel. While the bug might seem small on the surface, its impact can be significant: a simple null pointer dereference in Windows Kernel Memory...
  6. CVE-2025-21290: Critical DoS Vulnerability in Microsoft Message Queuing

    In the ever-volatile world of cybersecurity, another vulnerability has emerged that Windows administrators and IT professionals should immediately be aware of: Microsoft has disclosed CVE-2025-21290, a Denial-of-Service (DoS) vulnerability affecting Microsoft Message Queuing (MSMQ). Let’s dive...
  7. Critical CVE-2025-0430 Vulnerability in Linphone-Desktop: Impact and Mitigation

    Another day, another critical vulnerability—and this one targets Linphone-Desktop, a softphone application developed by Belledonne Communications. If you're running this VoIP software, you'll want to perk up, especially if you're using version 5.2.6 of the application. This newly-disclosed...
  8. CVE-2024-38264: Denial-of-Service Threat to Microsoft VHDX Files

    In the ever-evolving landscape of cybersecurity, vulnerabilities are like pop-up ads on a shady website: annoying, potentially dangerous, and often unavoidable. One recent notification that has caught the attention of many in the tech community is CVE-2024-38264, a denial-of-service (DoS)...
  9. CISA Alert: Critical Vulnerabilities in PowerSYSTEM Center Affecting Manufacturing and Energy Sectors

    On October 3, 2024, the Cybersecurity and Infrastructure Security Agency (CISA) released an alert about vulnerabilities affecting Subnet Solutions Inc.'s PowerSYSTEM Center. This equipment is vital in sectors such as critical manufacturing and energy, and the vulnerabilities can expose...
  10. AA21-229A: BadAlloc Vulnerability Affecting BlackBerry QNX RTOS

    Original release date: August 17, 2021 Summary On August 17, 2021, BlackBerry publicly disclosed that its QNX Real Time Operating System (RTOS) is affected by a Link Removed vulnerability—CVE-2021-22156. BadAlloc is a collection of vulnerabilities affecting multiple RTOSs and supporting...
  11. TA15-240A: Controlling Outbound DNS Access

    Original release date: August 28, 2015 Systems Affected Networked systems Overview US-CERT has observed an increase in Domain Name System (DNS) traffic from client systems within internal networks to publically hosted DNS servers. Direct client access to Internet DNS servers, rather than...