RuntimeRebel — #Denial of Service

Threema Secure Messaging Service Disrupted by Large-Scale DDoS Attacks

Mon, 17 Aug 2026 08:33:18 GMT

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

Wed, 12 Aug 2026 01:07:05 GMT

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

Sat, 08 Aug 2026 08:29:05 GMT

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

Fri, 17 Jul 2026 20:57:17 GMT

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

Sat, 11 Jul 2026 09:40:53 GMT

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

Fri, 10 Jul 2026 14:30:46 GMT

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.

NetScaler ADC CVE-2026-8451: Mitigating Arbitrary File Read Risks

Wed, 01 Jul 2026 05:39:10 GMT

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

Tue, 30 Jun 2026 12:49:12 GMT

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

Thu, 18 Jun 2026 09:58:04 GMT

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

Thu, 18 Jun 2026 09:57:33 GMT

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

Wed, 03 Jun 2026 09:43:56 GMT

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

Wed, 06 May 2026 20:36:45 GMT

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

Fri, 03 Apr 2026 08:26:50 GMT

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

Thu, 26 Mar 2026 16:33:11 GMT

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

Fri, 06 Mar 2026 04:37:48 GMT

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

Wed, 04 Mar 2026 20:14:51 GMT

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

Tue, 03 Mar 2026 20:14:21 GMT

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

Thu, 26 Feb 2026 20:16:44 GMT

CISA alerts to multiple medium-severity vulnerabilities in Yokogawa CENTUM VP R6 and R7, allowing DoS and RCE via crafted packets in critical infrastructure…