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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: DSA-5939-1 gimp severe: denial of service, code execution

Several vulnerabilities were discovered in GIMP, the GNU Image Manipulation Program, which could result in denial of service or potentially the execution of ar…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11: DLA-4207-1 critical: edk2 buffer overflow and DoS issues

Multiple security vulnerabilities have been fixed in EDK II, a modern, feature-rich, cross-platform firmware development environment. Remotely exploitable buff…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 41: 2025-ba86bed822 critical: systemd local information disclosure

Fix for local information disclosure in systemd-coredump (CVE-2025-4598) Various other fixes

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian 11 bullseye: DLA-4191-1 critical: firefox-esr code execution threat

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code or cross-origin …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: DSA-5930-1 critical: libavif denial of service and code execution

Multiple vulnerabilities were discovered in libavif, a library for handling .avif files, which could result in denial of service or potentially the execution o…

Linux

The Hacker News
The Hacker News Breaches & leaks

DragonForce Exploits SimpleHelp Flaws to Deploy Ransomware Across Customer Endpoints

The threat actors behind the DragonForce ransomware gained access to an unnamed Managed Service Provider's (MSP) SimpleHelp remote monitoring and management (R…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS DLA-4186-1: Critical Code Execution in php-twig

Twig is a template language for PHP. In a sandbox, an attacker can call `__toString()` on an object even if the `__toString()` method is not allowed by the sec…

Linux PHP

The Hacker News
The Hacker News Breaches & leaks

Chinese APT41 Exploits Google Calendar for Malware Command-and-Control Operations

Google on Wednesday disclosed that the Chinese state-sponsored threat actor known as APT41 leveraged a malware called TOUGHPROGRESS that uses Google Calendar f…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 2025-0167: sqlite3

In SQLite 3.49.0 before 3.49.1, certain argument values to sqlite3_db_config (in the C-language API) can cause a denial of service (application crash). An sz*n…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 2025-0160: microcode

Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel'® Processors may allow an authenticated use…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Tails 6.15.1 Fixes Critical Tor Browser Flaws

Tails version 6.15.1 has landed, and this isn't just a routine update''it's an emergency release. If you're working with Tails, this release demands your immed…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 41: woff 2025-49614a7cdf

Security fix for CVE-2010-1028 and other security-relevant bugs; see https://github.com/bramstein/sfnt2woff-zopfli/pull/20/commits.

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 41: sfnt2woff-zopfli 2025-a2a56326b3

Security fix for CVE-2010-1028 and other security-relevant bugs; see https://github.com/bramstein/sfnt2woff-zopfli/pull/20/commits.

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42: woff 2025-893d125ddd

Security fix for CVE-2010-1028 and other security-relevant bugs; see https://github.com/bramstein/sfnt2woff-zopfli/pull/20/commits.

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42: sfnt2woff-zopfli 2025-3140334065

Security fix for CVE-2010-1028 and other security-relevant bugs; see https://github.com/bramstein/sfnt2woff-zopfli/pull/20/commits.

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4170-1 critical: intel-microcode update for vulnerabilities

Microcode updates has been released for Intel(R) processors, addressing multiple potential vulnerabilties that may allow denial of service or information discl…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian: DSA-5923-1 critical: net-tools buffer overflow causing DoS

Mohamed Maatallah discovered a stack-based buffer overflow in the get_name() function in net-tools, a collection of programs for controlling the network subsys…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Bookworm: DSA-5922-1 critical: firefox-esr code execution

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

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Red Hat Linux Hacked at Pwn2Own Berlin

Red Hat Enterprise Linux got hacked during the Pwn2Own Berlin 2025 competition . Let that sink in for a moment. This is one of the go-to systems for businesses…

Linux

The Hacker News
The Hacker News Breaches & leaks

5 BCDR Essentials for Effective Ransomware Defense

Ransomware has evolved into a deceptive, highly coordinated and dangerously sophisticated threat capable of crippling organizations of any size. Cybercriminals…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11: DLA-4164-1 critical: libeconf buffer overflow

It was discovered that there was a potential buffer overflow vulnerability in libeconf, a configuration file parser. This could have been exploited via malicou…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: 2025-0153 Moderate Security Risk in Django Can Lead to DoS

An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a pot…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS DLA-4161-1 critical: SimpleSAMLphp signature confusion risk

A vulnerability has been discovered in SimpleSAMLphp, a framework for authentication, primarily via the SAML protocol. CVE-2025-27773

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Mageia 9: 2025-0147 critical: mod_auth_openidc data leak

mod_auth_openidc allows OIDCProviderAuthRequestMethod POSTs to leak protected data. (CVE-2025-31492) References: - https://bugs.mageia.org/show_bug.cgi?id=34216