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Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Breaches & leaks

VPN Internals Explained: Protocols, Leaks, and What the Kill Switch Actually Does

A technical breakdown of how a VPN works: packet handling, protocol comparisons, DNS and WebRTC leak vectors, kill switch limitations, and why the enterprise V…

VPN

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian LTS u-boot Critical Buffer Overread Signature Bypass DLA-4642-1

Multiple issues where found in u-boot, a cross-platform bootloader for embedded systems, which could lead to information leak and signature verification bypass…

Linux

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Vulnerabilities

The ASLR Caveat on NGINX’s Critical HTTP/3 Flaw Changes Nothing About Urgency

CVE-2026-42530, the NGINX HTTP/3 vulnerability rated CVSS 9.2, is collecting dismissals because exploitation requires ASLR to be disabled or bypassed. Here is …

Nginx

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 43 Perl-Net-Statsd Critical Metric Injection Threat 2026-9a8f233b8f

Metric names and values are now validated to ensure they do not contain characters below ASCII 32 (including newlines), colon (":") or pipe ("|") characters th…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 perl-Net-Statsd Important Metric Injection CVE-2026-46739

Metric names and values are now validated to ensure they do not contain characters below ASCII 32 (including newlines), colon (":") or pipe ("|") characters th…

Linux

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Breaches & leaks

Privilege Escalation: The Step Between Foothold and Full Compromise

Privilege escalation is the pivot point in almost every serious intrusion. This guide explains where it fits in the attack chain, the tooling attackers use, an…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

FreeRDP 3.27 Raises the Baseline for Secure Remote Access

Remote access tools do not need dramatic new features to improve security. Sometimes the more useful change is quieter, like stronger defaults that make weak e…

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Vulnerabilities

Palo Alto’s GlobalProtect Authentication Bypass Was Exploited Four Days After Disclosure

CVE-2026-0257's GlobalProtect authentication bypass went from advisory to active exploitation in four days. The recurring pattern of perimeter device failures …

Palo Alto

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Breaches & leaks

Atomic Arch: 400+ AUR Packages Backdoored with eBPF Rootkit and Credential Stealer

An AUR supply chain attack compromised more than 400 Arch Linux packages from 11 June 2026, planting a Rust credential stealer and an eBPF rootkit that hides f…

Linux

The Hacker News
The Hacker News

China-Linked JDY Botnet Expands to 1,500+ Devices for Cyber Reconnaissance

Cybersecurity researchers have warned of a "resurgence and expansion" of JDY, a covert network associated with China-nexus state-sponsored threat actors."The J…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 Apache2 High Remote Code Exec Privilege Escalation DLA-4571-1

Multiple vulnerabilities have been discovered in the Apache HTTP server, which may result in remote code execution, privilege escalation, denial of service or …

Linux Apache

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 ruby-Puma Severe Web Request Manipulation 2026-5dcb750495

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Tr…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Arch Linux 2026 perl-HTTPD-CGI Significant URI Parsing Flaw 3c5a7d4b5e

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Tr…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 perl-Starman Important HTTP Request Smuggling 2026-5bb108e1b7

Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Tr…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Tails 7.7 Surfaces Secure Boot Risk as 2026 Certificate Expiry Approaches

Tails 7.7 doesn't ship new features. It surfaces a trust problem that's been sitting quietly in Secure Boot chains for years: the digital certificates that all…

Linux

The Hacker News
The Hacker News Vulnerabilities

ThreatsDay Bulletin: $290M DeFi Hack, macOS LotL Abuse, ProxySmart SIM Farms +25 New Stories

You scroll past one incident and see another that feels familiar, like it should have been fixed years ago, but it still works with small changes. Same bugs. S…

Apple

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Lateral Movement Detection Strategies for Linux Systems

Moving through a network is like using a master key. If you have the key, you do not need to break any windows. On Linux, attackers usually do not "hack" their…

Linux Windows

The Hacker News
The Hacker News Breaches & leaks

Ransomware Negotiator Pleads Guilty to Aiding BlackCat Attacks in 2023

A third individual who was employed as a ransomware negotiator has pleaded guilty to conducting ransomware attacks against U.S. companies in 2023.Angelo Martin…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian DSA-6201-1 OpenSSL Important Remote Code Exec Denial of Service

Multiple vulnerabilities have been discovered in OpenSSL, a Secure Sockets Layer toolkit, which may result in denial of service, information leaks, or potentia…

Linux OpenSSL

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42 Domoticz Important XSS Security Flaw Advisory 2026-627f2db2b7

Too many changes to list. See: https://github.com/domoticz/domoticz/blob/2026.1/History.txt This also fixes a security vulnerability.

Linux GitHub

The Hacker News
The Hacker News

KadNap Malware Infects 14,000+ Edge Devices to Power Stealth Proxy Botnet

Cybersecurity researchers have discovered a new malware called KadNap that's primarily targeting Asus routers to enlist them into a botnet for proxying malicio…

The Hacker News
The Hacker News

CRESCENTHARVEST Campaign Targets Iran Protest Supporters With RAT Malware

Cybersecurity researchers have disclosed details of a new campaign dubbed CRESCENTHARVEST, likely targeting supporters of Iran's ongoing protests to conduct in…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 Zabbix Critical Remote Code Exec Vuln DLA-4473-1 CVE-2025-27234

zabbix a popular network monitoring solution was affected by a vulnerabilty. Zabbix Agent 2 smartctl plugin does not properly sanitize smart.disk.get parameter…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42 openQA Update for lodash Important Protection CVE-2025-13465

This update bumps the bundled lodash to 4.17.23 to ensure openQA is protected against CVE-2025-13465. It likely was not vulnerable in any case, though, as I do…

Linux