HollowByte: How 11 Bytes Can Quietly Starve an OpenSSL Server to Death
A newly disclosed OpenSSL weakness, dubbed HollowByte, lets an unauthenticated attacker trigger a slow, memory-fragmenting denial-of-service condition using a payload as small as 11 bytes. Because it was...
Apache ActiveMQ Patches Three Vulnerabilities Enabling DoS, Data Leakage, and Privilege Escalation
Apache ActiveMQ users should urgently patch three newly disclosed vulnerabilities — CVE-2026-53917, CVE-2026-54475, and CVE-2026-49877 — that can crash brokers, break temporary-destination isolation, and let low-privilege Web Console...
CISA Warns: SolarWinds Serv-U CVE-2026-28318 Actively Exploited — Zero-Auth DoS Attack Hits File Transfer Platform
CISA has added CVE-2026-28318, a zero-authentication denial-of-service flaw in SolarWinds Serv-U, to its Known Exploited Vulnerabilities catalog. Attackers can crash the service remotely with a single crafted HTTP...
GitLab Patches High-Severity Duo AI Identity Flaw and Multiple Authorization, DoS Vulnerabilities
GitLab has released emergency security patches (versions 19.0.1, 18.11.4, 18.10.7) fixing a CVSS 8.2 Duo AI identity flaw (CVE-2026-4868) that could enable lateral movement, alongside a Wiki denial-of-service...