CVE-2026-44499 ZEBRA: Permanent Block Discovery Halt via Gossip Queue Saturation and Syncer Poisoning

ZEBRA is a Zcash node written entirely in Rust. Prior to version 4.4.0, a composite denial-of-service vulnerability in Zebra's block discovery pipeline allows an unauthenticated remote attacker to permanently halt all new block discovery on a targeted node. The attack exploits three independent...

CVE-2026-44499

ZEBRA (Zcash node, Rust) before 4.4.0 contains a composite DoS in the block discovery pipeline. An unauthenticated remote attacker can, via a single TCP connection, exploit three independent weaknesses in the gossip, syncer, and download subsystems to create a monotonically growing block deficit ...

Synology Forget Password User Enumeration Scanner

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Synology Forget Password User Enumeration Scanner', 'Description' = %q This module attempts to enumerate users on the Synology NAS by sending GET...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel. An attacker exploiting the vulnerability can cause processes in a guest to block permanently...