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Threema Secure Messaging Service Disrupted by Large-Scale DDoS Attacks
Threema, a secure messaging service, experienced severe disruptions from large-scale DDoS attacks that continuously changed patterns, challenging mitigation efforts.
CVE-2026-20349: Cisco ASA/FTD DoS Vulnerability Under Active Exploit
CISA warns of active exploitation of CVE-2026-20349, a heap inspection vulnerability causing DoS in Cisco ASA and FTD devices.
Bendix EC80 Hidden RCE and DoS Flaws in Brake Controllers
NMFTA reveals Bendix EC80 heavy-truck brake controllers fixed critical, wirelessly reachable remote code execution and DoS flaws in a safety recall.
OpenSSL HollowByte Flaw: Memory Exhaustion via 11-Byte TLS Requests
The HollowByte vulnerability allows attackers to freeze OpenSSL server memory using 11-byte requests. Learn how to mitigate this denial-of-service risk.
Wireshark 4.6.7 Update: Resolving 12 Critical Dissector Vulnerabilities
Wireshark 4.6.7 addresses 12 vulnerabilities and 16 bugs. Learn how to apply the Wireshark 4.6.7 patch guidance to prevent dissector crashes and DoS attacks.
XRING Flaw: Unpatched XQUIC HTTP/3 Server DoS Vulnerability
An unpatched flaw, dubbed XRING, in Alibaba's XQUIC library allows remote clients to crash HTTP/3 servers with minimal, legal traffic, posing a significant DoS risk.
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NetScaler ADC CVE-2026-8451: Mitigating Arbitrary File Read Risks
Citrix patches six NetScaler ADC and Gateway vulnerabilities, including CVE-2026-8451. Secure your infrastructure against file reads and denial-of-service.
AirDrop and Quick Share: Proximity Flaws Cause Crashes and Bypass Checks
Researchers found six security flaws in AirDrop and Quick Share, enabling nearby attackers to crash devices and bypass security checks without user interaction.
Rockwell RSLinx <4.50.00 RCE via CVE-2020-13573 — Patch Now
Urgent advisory for Rockwell RSLinx Classic users. CVE-2020-13573, a stack-based buffer overflow, enables remote code execution and DoS. Patch <=4.50.00.
CVE-2026-11317: Rockwell Logix DoS via CIP — Patch Critical ICS
Critical Manufacturing faces high-severity DoS risk in Rockwell Automation Logix 5370 & 5570 controllers from CVE-2026-11317. Patch now.
HTTP/2 Bomb: Remote DoS Affects NGINX, Apache, and Microsoft IIS
Researchers identify HTTP/2 Bomb vulnerability affecting NGINX, Apache, and IIS default settings, allowing remote denial-of-service attacks on web servers.
Cisco Crosswork & NSO DoS: Manual Reboot Needed Post-Exploit
Cisco Crosswork Network Controller and Network Services Orchestrator are vulnerable to a denial-of-service flaw, necessitating manual reboots for recovery.
Siemens SICAM 8 CPCI85 and RTUM85 DoS Vulnerabilities: Patch Guide
Siemens issued an advisory for SICAM 8 products fixing vulnerabilities in CPCI85 and RTUM85 that could cause system crashes in critical infrastructure.
CVE-2023-50387: Critical BIND DNSSEC Vulnerabilities — Patch Now
ISC releases critical BIND security updates for CVE-2023-50387 and CVE-2023-50868, addressing high-severity resource exhaustion and KeyTrap DNSSEC vulnerabilities.
CVE-2024-28182: Python Cryptography RSA DoS Mitigation Guide
Technical deep dive into CVE-2024-28182, a denial-of-service vulnerability in the Python cryptography library. Learn how to detect and patch RSA-based DoS.
Cisco Secure FMC Root Access & DoS Flaws Patched: Update Now
Cisco addresses two maximum-severity vulnerabilities in Secure Firewall Management Center (FMC) allowing unauthenticated root access and denial of service.
Mobiliti e-mobi.hu EV Chargers: Critical Auth Bypass & DoS Vulnerabilities
Critical vulnerabilities in Mobiliti e-mobi.hu EV charging stations (all versions) allow unauthenticated attackers to gain administrative control or disrupt services.
Multiple DoS/RCE Vulnerabilities in Yokogawa CENTUM VP R6, R7
CISA alerts to multiple medium-severity vulnerabilities in Yokogawa CENTUM VP R6 and R7, allowing DoS and RCE via crafted packets in critical infrastructure…