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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 LTS DLA-4576-1 p7zip Critical RCE DoS Issues Fixed

Multiple vulnerabilities were discovered in p7zip, a now unmaintained fork of 7-Zip, a file archiver handling multiple formats. To address these security vulne…

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

Mageia 9 Firefox Important Networking Privilege Escalation MGASA-2026-0124

MGASA-2026-0124 - Updated rootcerts, nss & firefox packages fix security vulnerabilities

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4573-1 libpng Important Heap Disclosure Fix

A security vulnerability has been discovered in libpng, a library implementing an interface for reading and writing PNG (Portable Network Graphics) files, whic…

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 DSA-6249-1 Wireshark Critical Denial of Service Threats

Multiple vulnerabilities have been discocvered in Wireshark, a network protocol analyzer which could result in denial of service or the execution of arbitrary …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 42 PowerDNS Major Security Advisory 2026-abd12345xy

Update to 5.0.4 Release notes: https://doc.powerdns.com/authoritative/changelog/5.0.html#change-5.0.4 Security advisory: https://docs.powerdns.com/authoritativ…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian DSA-6248-1 Apache2 Critical RCE Privilege Escalation Risks

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

Rocky Linux 8 RLSA-2026-13834 OpenSSH Vulnerability Announcement

Important: dovecot security update

Linux OpenSSH

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Alerts

Fedora 44 pdns Critical DoS Issues Advisory FEDORA-2026-f416c4ba87

Update to 5.0.4 Release notes: https://doc.powerdns.com/authoritative/changelog/5.0.html#change-5.0.4 Security advisory: https://docs.powerdns.com/authoritativ…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Your Linux Logs Probably Arent Catching Attacks: 2026 Detection Gaps

When a Linux system is compromised, the logs should tell you what happened. In a lot of cases, they don't.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian DSA-6245-1 Imagemagick Important DoS Code Execution Fix

Multiple security vulnerabilities were discovered in imagemagick, a software suite used for editing and manipulating digital images, which could lead to denial…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 Xen Critical DoS Issues XSA-483 XSA-484 XSA-486 XSA-488

oxenstored keeps quota related use counts across domain destruction [XSA-483, CVE-2026-23556] Xenstored DoS via XS_RESET_WATCHES command [XSA-484, CVE-2026-235…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 44 rust-openssl-sys Update Moderate Security Issues 2026-fc9d4b5520

Update the openssl crate to version 0.10.78 and the openssl-sys crate to version 0.9.114. Release notes: openssl 0.10.77 / openssl-sys 0.9.113: https://github.…

Linux OpenSSL GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 Imagemagick Important Security Patch DLA-4559-1

Multiple security vulnerabilities were discovered in imagemagick, a software suite used for editing and manipulating digital images, which could lead to denial…

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

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Debian DSA-6236-1 firefox-esr Critical Arbitrary Code Exec Issues

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

The Hacker News
The Hacker News Vulnerabilities

Critical cPanel Authentication Vulnerability Identified — Update Your Server Immediately

cPanel has released security updates to address a security issue impacting various authentication paths that could allow an attacker to obtain access to the co…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 43 edk2 Important OpenSSL DoS Fix FEDORA-2026-a484707720

unbreak https boot update openssl to 3.5.6

Linux OpenSSL

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 42 PackageKit Vulnerability Causes Local Privilege Escalation Risk

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

Linux

The Hacker News
The Hacker News Breaches & leaks

PhantomCore Exploits TrueConf Vulnerabilities to Breach Russian Networks

A pro-Ukrainian hacktivist group called PhantomCore has been attributed to attacks actively targeting servers running TrueConf video conferencing software in R…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

How Linux Pentesting Improves Network Security

When setting up network security systems, it is critical to ensure they work correctly and do not have flaws waiting to be exploited.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

AI-Driven Cybersecurity Upgrades: 3 Strategic Uses

With the increasing pace and complexity of digital attacks, analysts are turning to AI threat detection to stretch IT resources and keep out cyber threats. No …

The Hacker News
The Hacker News Breaches & leaks

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive…

Cisco