CVE-2026-19489: Memory Overflow in Citrix NetScaler SIP ALG
CVE-2026-19489 is a memory overflow vulnerability in Citrix NetScaler ADC and NetScaler Gateway, rated with a CVSS score of 8.8. It can…
Tag: DoS
CDN Tsunami Attacks Exploit HTTP/3 Translation for Up to 350x DoS Amplification
Cybersecurity researchers have disclosed two denial-of-service (DoS) attack techniques, collectively named "CDN Tsunami," that exploit how major content delivery networks (CDNs) convert…
CVE-2026-14456: OpenSSL QUIC Server Flaw Allows Unbounded Connection Queuing
OpenSSL disclosed a low-severity flaw in QUIC servers that queue incoming channels for unknown destination connection IDs without enforcing a limit, potentially…
CVE-2026-58067: Unauthenticated Memory Exhaustion DoS in Veeam Service Provider Console
CVE-2026-58067 is a high-severity unauthenticated memory-exhaustion denial-of-service vulnerability in Veeam Service Provider Console. Fixed in build 9.3.0.35057.
Tengu: Mirai-Derived IoT Malware
Tengu is a Mirai-derived IoT malware that uses Telnet brute-force to hijack devices, enabling DoS attacks, data exfiltration, and proxy functionality. It…
Cisco IOS and IOS XE Software Smart Install Remote Code Execution Vulnerability
A vulnerability in the Smart Install feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger…
NGINX App Protect DoS Patched for Critical Vulnerability
NGINX App Protect DoS versions 4.3.0-4.7.0 are affected by CVE-2026-42055.
F5 DoS for NGINX Patched for Critical Vulnerability
F5 DoS for NGINX version 4.9.0 is affected by CVE-2026-42055.