Docker networking controls how containers communicate with each other and the outside world. This guide explains Docker’s network types and demonstrates how to create and manage custom networks on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine installed A user in the docker group Step 1 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-1066 Related CVEs: CVE-2025-1013 CVE-2025-1009 CVE-2025-1017 CVE-2025-1016 CVE-2025-1010 CVE-2025-1012 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-18281 Related CVEs: CVE-2022-50087 CVE-2025-38566 CVE-2025-38571 CVE-2025-39817 CVE-2025-39849 CVE-2025-39841 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
Symfony 7 is a high-performance PHP framework built for flexibility and scalability. This guide installs the Symfony CLI and creates a new Symfony 7 web application on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server PHP 8.3 installed Composer installed A user with sudo privileges Step 1 – […]
Introduction This guide explains how to Set Up HTTP/2 in Nginx on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read • Source: Amazon Linux advisory ALAS2023-2024-575 Related CVEs: CVE-2022-31394 CVE-2025-3416 Upstream summary: RUSTSEC-2024-0006 NOTE: https://rustsec.org/advisories/RUSTSEC-2024-0006.html NOTE: https://github.com/comex/rust-shlex/security/advisories/GHSA-r7qv-8r2h-pg27 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read • Source: Microsoft KB5063875 • MSRC update-guide entry Related CVEs: CVE-2025-50176 CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 +12 more Affected components: Windows Server 2025 Microsoft summary: Access of resource using incompatible type ('type confusion') […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read • Source: Microsoft KB5068781 • MSRC update-guide entry Related CVEs: CVE-2025-60716 CVE-2025-60724 CVE-2025-64678 CVE-2025-59505 CVE-2025-59506 CVE-2025-59507 CVE-2025-59508 CVE-2025-59509 +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows DirectX allows an […]
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 Affected versions: CentOS Stream 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2025-2887 Related CVEs: CVE-2025-47947 CVE-2025-48866 CVE-2022-39956 CVE-2022-48279 CVE-2023-24021 CVE-2025-54571 CVE-2025-52891 Upstream summary: ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions […]
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