Driver Linux GETAC MPMD: Botões Programáveis Finalmente Funcionando

 

Novo driver Linux GETAC MPMD ativa botões programáveis em laptops rugged. Saiba como instalar, quais modelos são compatíveis e onde comprar acessórios. Leia mais!

GUIA DEFINITIVO: Como proteger seu servidor Exim contra vazamento de memória (CVE-2026-48840)

 

Vulnerabilidade CVE-2026-48840 no Exim4 pode vazar memória do servidor e derrubar a proteção ASLR. Aprenda a verificar se você está vulnerável com comandos reais para Debian, aplique o script de correção automatizado e implemente mitigações alternativas com iptables. Guia completo para administradores de servidores Linux que querem proteger seus MTAs de forma definitiva.

Postfix no Ubuntu: Guia Completo de Segurança, Correção de Vulnerabilidades e Mitigações

 

Vulnerabilidade no Postfix pode derrubar seu servidor de e-mail. Guia prático para Ubuntu: veja se está vulnerável, aplique correção com script, mitigue com iptables/AppArmor e evite o próximo ataque. Inclui recomendações de livro afiliado para aprofundamento.

Falha crítica de segurança no Exim: como se proteger agora mesmo (guia definitivo)

 

Vulnerabilidade crítica CVE-2023-51766 no Exim permite contrabando SMTP e forjamento de e-mails. Aprenda a verificar, corrigir com script automático e aplicar mitigação temporária no Ubuntu. Proteja seu servidor agora mesmo com este guia prático definitivo.

PyJWT Security Guide: Critical Header Validation Bypass

 

The PyJWT crit header bypass vulnerability (CVE-2026-32597) can let attackers forge tokens; verify if your systems are affected, apply updates automatically, or block the issue now with proxy rules or AppArmor. This security guide works for any Linux environment including Rocky Linux, Debian, Ubuntu, CentOS, and RHEL.

ClamAV Denial of Service (DoS) Vulnerability: Permanent Fix Guide for Ubuntu

 

ClamAV HTML crash DoS? Get Ubuntu commands to check vuln, a bash script to auto-patch, iptables mitigation, and a book to master any future CVE. No expiry.

Analysis of Ubuntu 26.04 LTS "Resolute Raccoon"

 

Ubuntu 26.04 LTS in-depth review: GNOME 50, APT 3.1, 10‑year support, and AI/ML readiness. Compare strengths, weaknesses, and find the right book.

Stop Playing Patch Catch-Up: How to Automate Debian Security Updates & Build Your Own Binary Analysis Tools

 

    

Debian just pushed another distro-info-data update. But waiting for security alerts is reactive. Learn how to audit your system now, automate patches with a production-ready script, and build custom binary tools to catch the next CVE before it hits your servers..

Real-Time Kernel Vulnerabilities (CVE-2025-68741 & CVE-2026-23191)

 

Stop chasing CVEs. Learn to check, fix, and mitigate kernel flaws (like CVE-2025-68741) in AlmaLinux/Rocky Linux 8, RHEL. Includes a bash script, iptables backup plan, and a book that teaches you to find zero-days yourself. 

Python Security Hardening: Protecting Your System from HTTP Injection & Command Execution Vulnerabilities

 

Stop worrying about Python vulnerabilities like CVE-2026-1502 and CVE-2026-4786. Learn to check, fix, and automate security patches for Fedora & major distros. Includes bash scripts, iptables mitigation, and book recommendation for mastering binary analysis. 

Go + OpenSSL: The 9 Vulnerabilities That Won’t Go Away (Fix Them for Good)

 

Stop chasing CVE dates. Learn how to check, patch, and mitigate 9 critical Go/OpenSSL vulnerabilities on SUSE. Includes a step-by-step lab, automation script, and a no-update firewall fix. Updated for 2026.

How to Fix the OpenSSL NULL Pointer Crash (CVE-2026-28390): A Permanent Guide for Linux Servers

 

 

Stop guessing if your OpenSSL is vulnerable. This permanent guide shows you how to check for CVE-2026-28390 (NULL pointer dereference), apply the fix with automation, and block attacks using iptables if you can't update now. Includes scripts for openSUSE, SUSE..

.NET Security: Stop SMTP Injection & Stack Overflows (Works Today & Next Year)

 

Your .NET 8.0 apps might be wide open to SMTP injection and stack overflow attacks. No matter when you read this, here are the exact commands to check, patch, or block CVE-2026-32178 and friends on Ubuntu, Rocky, and SUSE – plus a script to automate the fix.

6 Critical OpenSSL Vulnerabilities: The Permanent Fix Guide (Works for 2026 & Beyond)

 

Learn to fix OpenSSL NULL pointer & heap overflow vulnerabilities (CVE-2026-28387 to 31790) on Ubuntu, Rocky, SUSE. Includes check scripts, iptables mitigation, and a hands-on Docker lab for 2026 & beyond. 

How to Fix Memory Corruption in Go (CVE-2026-27143) – Permanent Security Guide

 

Nine Go vulnerabilities including memory corruption (CVE-2026-27143), crypto/tls deadlocks, and path traversal. Learn to check, patch, and mitigate without updating. Includes automation scripts, Docker lab, and AppArmor rules. Practical SUSE, RHEL, Ubuntu commands.

How to Stop a ReDoS Attack in Cockpit-Tukit (Even If You Can’t Patch Right Now)

 

ReDoS in cockpit-tukit? Detection commands for Ubuntu/Rocky/SUSE, an automation script, iptables mitigation, and a Docker lab to test the fix yourself.

Linux Kernel Live Patching 101: Fix Critical CVEs Without Reboot

 

Linux kernel vulnerability? Check if you're exposed (Ubuntu/Rocky/SUSE), auto-patch without reboot, mitigate with iptables, and build a test lab. Stop chasing CVE dates. Live patch workflow inside.

Beyond the Hype: How to Secure a Rust-Based OS & Why AI-Free Code Matters

 

Check for Linux scheduler deadlocks on Ubuntu, Rocky & SUSE. Bash automation script + VM lab + no-update mitigations. Evergreen kernel security.

Rocky Linux RLSA-2026-6283: Critical Python 3.12 Patch Analysis for Enterprise Environments

 

Critical Rocky Linux RLSA-2026-6283 patches Python 3.12 vulnerabilities. Enterprise-grade mitigation strategies, CVE impact analysis, and compliance checks for infrastructures.

Ubuntu Linux Raises Minimum System Requirements: Enterprise-Grade Security Now Matches Windows 11 Baselines

 

Linux Ubuntu raises system requirements, matching Windows 11’s TPM 2.0 & SSD baseline. Discover enterprise-grade hardware benchmarks, GEO-optimized upgrade paths, and security-first performance gains.