Red Hat Enterprise Linux (RHEL) has recently undergone significant updates aimed at enhancing security across several applications and systems. These updates include important security patches for Firefox, Varnish, kpatch-patch, Java, rsync, the Multicluster Engine for Kubernetes, Thunderbird, and the Red Hat Multicluster Global Hub. Each update has been rated by Red Hat Product Security, indicating varying levels of impact from important to low, based on the Common Vulnerability Scoring System (CVSS).

A security update for Varnish Cache has been issued for AlmaLinux 9, identified as ALSA-2025:8337. This update addresses an important security vulnerability related to request smuggling attacks (CVE-2025-47905), which could potentially compromise the integrity of web applications utilizing Varnish, a high-performance HTTP accelerator known for improving website loading times by caching web pages in memory.

A security update for Systemd has been released for Fedora Linux 41, identified as systemd-256.15-1.fc41. This update addresses a local information disclosure vulnerability in systemd-coredump, designated as CVE-2025-4598, along with various other fixes.

Debian GNU/Linux has recently announced critical security updates for several key packages, including Twitter-Bootstrap3, Kitty, LibreOffice, and Tcpdf, aimed at improving system security for users of Debian 11 and Debian 12.

A new security update for the Chromium web browser has been released for Fedora Linux versions 41 and 42. The updates, identified as chromium-137.0.7151.55-1.fc41 for Fedora 41 and chromium-137.0.7151.55-1.fc42 for Fedora 42, address several security vulnerabilities.

SUSE Linux has announced important security updates for two packages: perl-Net-Dropbox-API and openbao. These updates address vulnerabilities that could potentially affect users of openSUSE Tumbleweed, a rolling release version of the openSUSE distribution.

Red Hat Enterprise Linux (RHEL) has recently released several important updates that enhance system security across multiple components, including the kernel, Firefox, and Varnish. The updates consist of various kpatch patches designed to address vulnerabilities, with a security impact rated as "Important" by Red Hat Product Security.

The Fedora Respins SIG has officially released new live ISO images for Fedora Linux 42, designated F42-20250530. These updated ISOs feature the latest Linux kernel version 6.14.9, providing users with the most current improvements and enhancements.

KDE neon 20250601 has officially been released, showcasing the latest enhancements from the KDE community. This Linux distribution, based on Ubuntu, is designed to provide users with the most current version of the KDE Plasma desktop environment.

Arch Linux has released a new installation image, version 2025.06.01, based on the Linux kernel 6.14.9. This lightweight and flexible distribution is tailored for expert users who appreciate having the latest packages available. The installation image not only facilitates new installations but also serves as a recovery tool, featuring a guided installer for enhanced user experience.

Fedora Linux has recently rolled out two important security updates: Thunderbird version 128.11.0 for Fedora 41 and systemd version 257.6 for Fedora 42.

SUSE Linux has recently rolled out a series of critical security updates affecting various software packages, including FFmpeg, Icinga2, NodeJS-Electron, Kea, Libopenssl, Pluto, Govulncheck-Vulndb, Mozilla Thunderbird, and CURL. These updates address multiple vulnerabilities identified through Cross-Reference Vulnerability IDs (CVE).

Debian GNU/Linux has recently implemented several critical security updates for various packages, including Espeak-NG, Net-Tools, Libvpx, and Symfony, across multiple versions of the operating system (OS). The updates span Debian versions 8 (Jessie), 9 (Stretch), 10 (Buster), and 11 (Bullseye), with specific advisories issued for each version.

CachyOS May 2025 Release Overview

Debian GNU/Linux has rolled out multiple security updates for various software packages, including the Linux kernel, Thunderbird, krb5, Python-Flask-Cors, and Kmail-Account-Wizard. These updates are crucial for maintaining system integrity and addressing vulnerabilities that could lead to privilege escalation, denial of service, or information leaks.

Oracle Linux has rolled out significant updates that enhance security and fix bugs across various components, including the Linux kernel, Firefox, nmstate, and systemd. The updates affect both Oracle Linux 8 and 9 and address critical vulnerabilities, ensuring users have the most secure and stable environment possible.

SUSE Linux has released a series of security updates targeting several critical components, including PostgreSQL, Glibc, Iputils, and Python's setuptools. These updates address various vulnerabilities, significantly enhancing system security. The updates include:

Ubuntu Linux has released two important security updates addressing vulnerabilities in Apport and ADOdb.

Fedora Linux has recently been updated with important security enhancements affecting several key packages, including Firefox, Python-Tornado, Dropbear, and Gstreamer. Here’s a summary of the updates:

AlmaLinux has released an important security update for Thunderbird, impacting users of AlmaLinux 10. The update, designated as ALSA-2025:8196, was made available on May 29, 2025. Users subscribed to AlmaLinux's errata notifications will receive updates about significant security issues.