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MongoBleed Unauthenticated Memory Leak

What is the Vulnerability? A critical vulnerability in MongoDB Server’s handling of zlib-compressed network traffic allows a fully unauthenticated remote attacker to read uninitialized heap memory and leak sensitive data directly from server memory. The flaw stems...

Cisco AsyncOS Zero-day

What is the Attack? Cisco has confirmed the active exploitation of a critical zero-day vulnerability in AsyncOS, tracked as CVE-2025-20393, affecting Cisco Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. The vulnerability allows...