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The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 12 sympa Critical Authentication Bypass Vulnerability DLA-4668-1

A flaw was found in Sympa’s web interface, a modern mailing list manager. An attacker may bypass authentication by using an arbitrary e-mail address when the g…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS Nginx Critical Remote Code Exec Denial of Service DLA-4660-1

Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in remote code execution, denial of servi…

Linux Nginx

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: DSA-6374-1: nginx

Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in remote code execution, denial of servi…

Linux Nginx

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian nginx Critical Remote Code Execution Denial of Service DSA-6374-1

Multiple vulnerabilities were discoverd in Nginx, a high-performance web and reverse proxy server, which could result in remote code execution, denial of servi…

Linux Nginx

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian LTS Yelp Serious Data Exfiltration Threat DLA-4647-1

A vulnerability was discovered in yelp, the GNOME help browser, that allows a crafted help document to read files accessible to the user and exfiltrate them to…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44: ffmpeg 2026-bc8f441ba4

The latest stable FFmpeg release from the 8.1 release branch. https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/n8.1.2:/Changelog Fixes CVE-2026-30999 .

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 FFmpeg Moderate Denial of Service Resolution 2026-bc8f441ba4

The latest stable FFmpeg release from the 8.1 release branch. https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/n8.1.2:/Changelog Fixes CVE-2026-30999 .

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian LTS MediaWiki DLA-4640-1 Access Control Bypass Issues

Multiple security vulnerabilities were found in mediawiki, a website engine for collaborative work, which could lead to information disclosure or access contro…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS DLA-4635-1 Firefox ESR Critical Code Execution Threats

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, bypass of the s…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS firefox-esr Important Code Execution Risk DLA-4635-1

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, bypass of the s…

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

CVE-2026-48907: How the Joomla JCE Exploit Works and What to Do About It

CVE-2026-48907 in the Joomla JCE plugin lets unauthenticated attackers drop PHP web shells with a single crafted request. Here is how the attack works and how …

PHP

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS Nginx Critical RCE Denial of Service Notification DLA-4634-1

A vulnerability was discoverd in Nginx, a high-performance web and reverse proxy server, which could result in remote code execution and denial of service. For…

Linux Nginx

The Hacker News
The Hacker News Vulnerabilities

Cisco Releases Security Updates for Actively Exploited SD-WAN Manager Flaw

Cisco has released security updates for a medium-severity security flaw in Catalyst SD-WAN Manager that has come under active exploitation in the wild.The vuln…

Cisco

The Hacker News
The Hacker News Vulnerabilities

Ivanti, Fortinet, and SAP Release Patches for Multiple Critical Vulnerabilities

Fortinet, Ivanti, and SAP have released security updates to address multiple critical security vulnerabilities that could result in arbitrary code execution an…

Fortinet Ivanti

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 Vulnerabilities

Linux Infrastructure Under Siege by FamousSparrow Espionage Campaign

The recent FamousSparrow attacks reportedly relied on exposed web applications, ProxyLogon exploitation, and other well-known server-side vulnerabilities.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 Rails Critical RCE Vulnerability DLA-4578-1 CVE-2022-32224

A RCE (Remote Code Execution) escalation was discovered in Ruby on Rails, a MVC Ruby-based framework for web development. This vulnerability exists when using …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4575-1 Firefox-ESR Update for Code Execution Risk

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code. For Debian 11 b…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Bookworm DSA-6259-1 PyJWT Important Authentication Flaw

It was discovered that PyJWT, a Python implementation of JSON web tokens insufficiently validated the "crit" header parameter, which could result in incomplete…

Linux

The Hacker News
The Hacker News Vulnerabilities

cPanel, WHM Release Fixes for Three New Vulnerabilities — Patch Now

cPanel has released updates to address three vulnerabilities in cPanel and Web Host Manager (WHM) that could be exploited to achieve privilege escalation, code…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Bookworm Postorius Important Cross-Site Scripting Fix DSA-6257-1

A cross-site scripting vulnerability was discovered in Postorius, the administrative web frontend for Mailman 3. For the oldstable distribution (bookworm), thi…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian firefox-esr Important Arbitrary Code Exec DSA-6254-1 CVE-2026-8090

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code. For the oldstab…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 PyJWT Critical Header Parameter Issue DLA-4564-1 CVE-2026-32597

It was discovered that PyJWT, a Python implementation of JSON Web Token did not validate the crit (Critical) Header Parameter defined in RFC 7515 §4.1.11. When…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 firefox-esr Critical Code Execution Issues DLA-4555-1

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information dis…

Linux