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Latest headlines from security outlets

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The Hacker News
The Hacker News Vulnerabilities

New HTTP/2 Bomb Vulnerability Allows Remote DoS on NGINX, Apache, IIS, Envoy & Cloudflare

Cybersecurity researchers have discovered a remote denial-of-service exploit that affects major web servers, including NGINX, Apache HTTPD, Microsoft IIS, Envo…

Apache Nginx

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Why Linux Rootkits Still Matter in Cloud and VMware Environments

Linux rootkits are old, but they never really disappeared. They just stopped attracting the same attention.

Linux VMware

The Hacker News
The Hacker News

AI Chatbot Recommendations Redirect Users to Cryptojacking Malware Sites

Microsoft has warned of an active cryptojacking campaign that makes use of artificial intelligence (AI) chatbot interactions as a mechanism for surfacing malic…

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

RaccoonLine Shares Technical Overview of VLESS Protocol in New Engineering Explainer

Rome, Italy, 13th May 2026, CyberNewswireRaccoonLine Shares Technical Overview of VLESS Protocol in New Engineering Explainer on Latest Hacking News | Cyber Se…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Securing Remote Access to Linux Servers: Best Practices for 2026

Linux runs the internet. More than 96% of the world’s top one million web servers operate on Linux-based systems. That makes every linux server a target by def…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4580-1 exim4 Critical Remote Code Execution Patch

A vulnerability has been discovered in the Exim mail transport agent, which may result in remote code execution. For Debian 11 bullseye, this problem has been …

Linux

The Hacker News
The Hacker News Vulnerabilities

New Exim BDAT Vulnerability Exposes GnuTLS Builds to Potential Code Execution

Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code e…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian exim4 Important Denial of Service Remote Code Execution DSA-6265-1

Several vulnerabilities were discovered in the Exim mail transport agent, which may result in remote code execution, denial of service or an information leak. …

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Linux Could Soon Disable Vulnerabilities Without a Reboot: Kernel Killswitch

Linux administrators often face an ugly choice during major kernel vulnerabilities: reboot critical systems immediately or leave exploitable code running in pr…

Linux

The Hacker News
The Hacker News Breaches & leaks

Ollama Out-of-Bounds Read Vulnerability Allows Remote Process Memory Leak

Cybersecurity researchers have disclosed a critical security vulnerability in Ollama that, if successfully exploited, could allow a remote, unauthenticated att…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 Apache2 Critical Remote Code Execution Advisory 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

The Hacker News
The Hacker News

PyPI Packages Deliver ZiChatBot Malware via Zulip APIs on Windows and Linux

Cybersecurity researchers have discovered three packages on the Python Package Index (PyPI) repository that are designed to stealthily deliver a previously unk…

Linux Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Rocky Linux: RLSA-2026:13498 dovecot security update Security Advisories Updates

Important: dovecot security update

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Rocky Linux 10 Dovecot Alert RLU-2026-13501 Significant DoS Threats Found

Important: dovecot security update

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Rocky Linux 9 advisory RLSA-2026-13858 enhances Dovecot for security

Important: dovecot security update

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian Dovecot DLA-4556-1 CVE-2025-59031 Denial of Service Attack

Multiple vulnerabilities were discovered in dovecot, a POP3/IMAP server, which could lead to Denial of Service, information leak, path traversal, authenticatio…

Linux

The Hacker News
The Hacker News Vulnerabilities

New Linux 'Copy Fail' Vulnerability Enables Root Access on Major Distributions

Cybersecurity researchers have disclosed details of a Linux local privilege escalation (LPE) flaw that could allow an unprivileged local user to obtain root.Th…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 botan3 Advisory 2026-e7d1590ecd CVE-2026-32877 CVE-2026-32883

Improve stack protection Fix security vulnerabilities CVE-2026-32877,CVE-2026-32883,CVE-2026-32884,CVE-2026-34580,CVE-2026-34582

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 44 PackageKit Critical Race Condition Root Compromise Vulnerability

Backport fix for race condition leading to root compromise (GHSA-f55j-vvr9-69xv)

Linux

The Hacker News
The Hacker News

Lotus Wiper Malware Targets Venezuelan Energy Systems in Destructive Attack

Cybersecurity researchers have discovered a previously undocumented data wiper that has been used in attacks targeting Venezuela at the end of last year and th…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

SUSE Linux Environment Rootlesskit Significant Update SUSE-SU-2026-1623-5

# Security update for rootlesskit Announcement ID: SUSE-SU-2026:1494-1 Release Date: 2026-04-20T15:58:21Z Rating: important References:

Linux

The Hacker News
The Hacker News

Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems

Cybersecurity researchers have flagged a new malware called ZionSiphon that appears to be specifically designed to target Israeli water treatment and desalinat…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Zero Trust for Email: Implementing Advanced Protections on Linux

Email threats have long outgrown spamming and obvious phishing. Attackers now exploit trust itself. They impersonate internal users, hijack legitimate threads,…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

CUPS Exploit Chain Still Reaches Root Access, Despite 2024 Fixes

The Common Unix Printing System (CUPS) still sits on millions of Linux systems, usually in the background, rarely monitored, and often trusted more than it sho…

Linux