Critical Security Alert: Sidekiq XSS & DoS Vulnerabilities in Ubuntu LTS (USN-7695-1)

 

Critical XSS & DoS vulnerabilities in Sidekiq affect Ubuntu 18.04/20.04/22.04 LTS (CVE-2021-30151, CVE-2022-23837). Learn patch instructions, exploit impacts, and Ubuntu Pro updates. Secure Ruby background processing now—full USN-7695-1 analysis.

Optimized Ubuntu Security Advisory: Critical Request Tracker Vulnerabilities Patched (USN-7692-1)

 

Urgent Ubuntu security update! Critical Request Tracker vulnerabilities (CVE-2021-38562, CVE-2022-25802, etc.) exposed to timing attacks, XSS & DoS. Learn affected versions (22.04 LTS, 24.04 LTS, 25.04), patch instructions & exploit mitigation. Secure your enterprise ticketing system now.

Critical FFmpeg Buffer Overflow Vulnerability (CVE-2025-1594): patching Guide for Ubuntu Systems

 

Critical Ubuntu security alert: Learn about the FFmpeg buffer overflow vulnerability (CVE-2025-1594) affecting all supported LTS releases. Our guide provides patching instructions, exploit details, and how to secure your Linux systems against this denial-of-service threat. 

Critical Ubuntu Security Alert: fdkaac Vulnerabilities Expose Systems to DoS Attacks (USN-7660-1)

 

Critical fdkaac vulnerabilities (CVE-2022-36148, CVE-2022-37781, CVE-2023-34823, CVE-2023-34824) threaten Ubuntu 16.04-25.04 systems with denial-of-service exploits. Learn patch procedures, impacted versions, and mitigation strategies for enterprise Linux security.

Urgent: Critical Linux Kernel Security Flaws Patched for Ubuntu 16.04 LTS Oracle Cloud Systems (USN-7685-5)

 

 Critical Linux kernel vulnerabilities (CVE-2023-52757 to CVE-2025-37797) threaten Ubuntu 16.04 LTS Oracle Cloud systems. Learn the impacted subsystems (Ext4, SMB, Bluetooth), urgent patching steps via Ubuntu Pro, reboot requirements, and ABI change implications. Secure your infrastructure now!

Descubra o Ubuntu Pro for Devices: A Nova Fronteira da Segurança IoT

 

A Canonical, criadora do renomado sistema operacional Ubuntu, tem o prazer de anunciar o lançamento do Ubuntu Pro for Devices.

Comprehensive Security Analysis: Critical GnuPG RCE Vulnerability CVE-2025-68973 on Ubuntu Legacy Systems

 

Critical GnuPG vulnerability CVE-2025-68973 exposes Ubuntu 16.04 LTS and 14.04 LTS to remote code execution attacks. Learn about patch management strategies, Ubuntu Pro requirements, and enterprise cybersecurity implications for legacy Linux infrastructure. Essential reading for system administrators and security professionals.

Ubuntu Pro Eleva o Padrão: Suporte LTS foi Estendido para 12 Anos pela Canonical!

 

 A Canonical eleva o padrão de suporte com a extensão do suporte LTS do Ubuntu para 12 anos para clientes do Ubuntu Pro. 

Canonical Doubles Down on OpenJDK Java Support for Ubuntu Linux: Long-Term Enterprise Commitment

 

Canonical extends OpenJDK Java support on Ubuntu Linux with 20-year security for OpenJDK 8 & 12+ years for future LTS releases. Optimized for x86, ARM, RISC-V & more—enterprise-grade Java stability for Ubuntu Pro users.

Critical Linux Kernel Vulnerabilities Patched: USN-7755-1 Security Advisory Explained

 

Critical Linux kernel vulnerabilities (USN-7755-1) patched for Ubuntu 14.04, 16.04, & 18.04. Affects AWS, Azure, GCP cloud systems. Learn the CVE details, update instructions, and how Ubuntu Pro provides extended security coverage to protect your servers from compromise.

Critical Qt Vulnerability in Ubuntu 22.04 LTS: Complete Patch Guide & System Security Implications

 

Urgent security advisory: CVE-2024-25580 in Qt libraries exposes Ubuntu 22.04 LTS and 20.04 LTS to critical denial-of-service and arbitrary code execution risks. This guide provides patch instructions, exploit analysis, and enterprise mitigation strategies to secure Linux systems and maintain infrastructure integrity. Learn how Ubuntu Pro extends security coverage

Critical MicroPython Security Vulnerabilities Patched – Update Now

 

Critical MicroPython vulnerabilities (CVE-2024-8946, CVE-2024-8947, CVE-2021-42553) expose systems to RCE & DoS attacks. Learn how to patch Ubuntu 20.04-24.10 and secure IoT/embedded devices with Ubuntu Pro’s 10-year ESM coverage.

Critical SHA.js Vulnerability (CVE-2025-9288): Complete Guide to Mitigating Denial-of-Service Risks on Ubuntu

 

Critical security vulnerability CVE-2025-9288 affects sha.js in Ubuntu 18.04 LTS to 25.04, leading to denial-of-service (DoS) attacks & hash collisions. Learn the impacted package versions, update instructions for Ubuntu Pro & standard systems, and how to mitigate this cryptographic risk. 

Critical FFmpeg Vulnerability (CVE-2025-1594): patching the Ubuntu Buffer Overflow in USN-7738-1

 

Critical Ubuntu security alert: CVE-2025-1594 FFmpeg buffer overflow vulnerability threatens denial-of-service attacks. Learn which LTS versions are affected, immediate patch instructions, and best practices for Linux multimedia security. Protect your systems now.

Critical LibEtPan Vulnerability (CVE-2022-4121): Patch to Prevent Denial-of-Service Attacks

 

Critical CVE-2022-4121 LibEtPan vulnerability patched. Learn how this IMAP STATUS response flaw causes denial-of-service (DoS) & how to secure your Ubuntu 16.04-22.04 systems with update instructions. Protect your email infrastructure now.

Critical Linux Kernel (FIPS) Vulnerabilities: Security Patches & Update Guide (June 2025)

 

Ubuntu has released USN-7585-2 to address critical Linux kernel (FIPS) vulnerabilities affecting AWS, GCP, and enterprise systems. Learn about CVE-2025-2312, update instructions, and how Ubuntu Pro enhances security coverage.

Critical Linux Kernel Security Update for Ubuntu 14.04 LTS: A Comprehensive Analysis of USN-7797-2

 

Critical Linux kernel security update for Ubuntu 14.04 LTS (USN-7797-2). Learn about the vulnerabilities (CVE-2024-49924, CVE-2025-38617, etc.) in AWS, Ext4, BTRFS, and NFS, the required kernel patches, and essential reboot & recompilation instructions to protect your system. A must-read for DevOps and sysadmins.

Critical Linux Kernel Security Update for Oracle Cloud Systems (USN-7685-4)

 

Critical Linux kernel vulnerabilities (USN-7685-4) patched for Oracle Cloud systems. Exploits in Ext4, SMB, Bluetooth & more risk system compromise. Mandatory update & reboot required. Learn patch details, affected versions, & secure with Ubuntu Pro ESM. Free for 5 machines!

Critical MuPDF Vulnerabilities: Update Ubuntu Now to Fix Denial-of-Service Risks

 

Urgent Ubuntu security update: Patch critical MuPDF denial-of-service vulnerabilities (CVE-2023-51103, CVE-2024-46657, CVE-2025-46206) in Ubuntu 18.04-25.04 LTS. Learn the fixed versions and update steps.

Critical Kernel Security Patch for Ubuntu 16.04 LTS on AWS: USN-7727-3 Explained

 

Critical Linux kernel vulnerabilities (CVE-2024-50051, CVE-2025-37752, more) patched for Ubuntu 16.04 AWS systems. Learn the high-risk security issues, update instructions, and why rebooting is mandatory to prevent cloud server compromise.