Do Son A new OpenSSL HollowByte vulnerability enables remote DoS attacks using just 11 bytes. Learn how to protect your servers against this OpenSSL DoS attack.
dos attack
BitSight unmasks RondoDox: a modular botnet using "nanomites" to dodge debuggers while hijacking 18 architectures for Monero mining and gaming DoS attacks.
An integer overflow flaw (CVE-2025-66168) in Apache ActiveMQ's MQTT module allows authenticated attackers to crash brokers. Update your systems immediately.
OpenVPN released an urgent patch (v2.7_rc2) fixing two critical flaws: a Heap Over-read (CVE-2025-12106, CVSS 9.1) and an HMAC bypass (CVE-2025-13086) that allows unauthenticated DoS. Windows 7 support is broken.