SUSE has announced several critical security updates for its software packages, including Avahi, the Linux kernel, and additional updates for Bird3, TIFF, and Expat.

Fedora has issued security updates for multiple packages, including expat, libssh, webkitgtk, and chromium, to address various vulnerabilities.

Red Hat has announced a series of important security updates for several packages, including CUPS, Thunderbird, and Kpatch-Patch, across multiple versions of Red Hat Enterprise Linux (RHEL), namely 9.2, 9.0, 8.8, 8.6, and 8. Each update has been rated with an "Important" security impact by Red Hat Product Security, and detailed severity ratings can be found via links to the Common Vulnerability Scoring System (CVSS) within the provided references.

Oracle Linux has issued a series of updates for its various versions, specifically Oracle Linux 7, 8, 9, and the newly released version 10. These updates target critical security vulnerabilities and include bug fixes for essential packages, such as ImageMagick, Firefox, the Linux kernel, MySQL, crun, container-selinux, and the Unbreakable Enterprise Kernel.

Krita 5.2.13 has been released, primarily as a bugfix update aimed at enhancing the user experience on Android devices. This version addresses several critical issues, including support for 16K page sizes, which optimizes performance on high-end devices with large memory capacities. A significant improvement is the overhaul of background saving functionality, which previously led to crashes when the application was running in the background or was shut down.

The recent release of elementary OS 8.0.2 marks a significant minor update that incorporates numerous improvements and bug fixes accumulated over the past six months. This update enhances the user experience substantially, focusing on accessibility, performance, and usability across various applications.

Kali Linux 2025.3 has been released, marking a significant update for professionals in penetration testing and information security. This version introduces several noteworthy features, including Nexmon support for Raspberry Pi devices, which allows users to utilize monitor mode and wireless injection capabilities. Additionally, support for the ARMel architecture has been dropped, aligning with Debian's similar decision, allowing resources to be reallocated to more modern architectures.

SUSE has released a series of important security updates for its Linux distributions as of September 23, 2025. Key updates include critical patches for the Linux Kernel and Mozilla Thunderbird, alongside moderate updates for other software like rustup, Vim, sevctl, and busybox.

On September 21 and 23, 2025, Ubuntu released three important Security Notices (USNs) to address vulnerabilities in various packages, including pip, RabbitMQ, and Kea DHCP.

Expat Update for Fedora 43 Beta

Red Hat has recently announced a series of important and moderate security updates for several of its products, including OpenShift Jenkins, Podman, and kpatch-patch. These updates are aimed at enhancing security and addressing vulnerabilities that have been identified in different versions of these products. Each update has been evaluated by Red Hat Product Security, with severity ratings assigned through the Common Vulnerability Scoring System (CVSS).

Ubuntu has announced two critical security updates, USN-7761-1 and USN-7760-1, aimed at addressing vulnerabilities in the Pluggable Authentication Modules (PAM) and the GNU C Library (glibc). The first vulnerability in PAM may enable attackers to spoof hostnames, potentially allowing unauthorized access to network services. Meanwhile, the glibc vulnerability could lead to application crashes or even arbitrary code execution due to improper handling of memory allocation failures in the regcomp function.

In October 2023, security updates were released for various Debian packages, including syslog-ng, PAM (Pluggable Authentication Module), Corosync, and the Linux kernel. These updates address several critical security vulnerabilities that could potentially allow attackers to impersonate legitimate entities, compromise secure logging, or elevate their privileges to root.

Oracle Linux has released a series of important updates across its various versions, focusing primarily on security enhancements for key applications and the operating system kernel.

SUSE has released four important security updates for various software components, addressing multiple vulnerabilities. The updates include:

Fedora has recently rolled out security updates across various packages in its operating systems, including Fedora 41, 42, and the Beta version of Fedora 43.

Red Hat Enterprise Linux (RHEL) has released several important security updates across various versions, including RHEL 7, 8, and 9. These updates address critical vulnerabilities in numerous components such as the kernel, ImageMagick, command-line assistants, Keycloak, NetworkManager, ncurses, AMQ Broker, and the Ansible Automation Platform.

MX Linux has announced the release of MX-25 "Infinity" beta 1, which is based on Debian 13 Trixie. This beta version combines elegant desktop environments with robust stability and performance, and it is the result of collaboration between the antiX and MX Linux communities. Users are encouraged to test this beta version and provide feedback, particularly regarding the installer and MX tools, especially concerning popular applications in the MX Package Installer.

Kdenlive has released version 25.08.1, which prioritizes stability and user experience enhancements. This update addresses several critical issues, including crashes caused by user actions or specific project conditions, and resolves rendering and audio signal problems, particularly for macOS users. The development team has focused on refining the user interface, enabling curve editors to utilize the full width of their panels and enhancing the visual appeal of icons across various UI elements.

Fedora Magazine has shared a comprehensive tutorial on rebasing to Fedora Silverblue 43 Beta, a desktop operating system based on Fedora Linux. Silverblue is designed for daily use, development, and container-based workflows, offering key features such as the ability to roll back the system in case of issues. The tutorial outlines a step-by-step process to update from a previous version of Silverblue to the latest Beta, emphasizing the importance of updating sequentially—one version at a time—to minimize the risk of errors. It also provides guidance for users who have RPM Fusion layered on their installation, ensuring a smooth transition.