🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read • Source: Red Hat advisory RHSA RHSA-2026:13642 Related CVEs: CVE-2026-25679 CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2025-58183 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]
A LEMP stack — Linux, Nginx, MySQL, and PHP — is a popular open-source web platform for hosting dynamic websites and web applications. This guide installs and configures all four components on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server A user with sudo privileges UFW firewall enabled […]
🟠 High ⏱ 15–60 min Last verified: 12 July 2026 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2022:1863-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-37434 CVE-2018-25032 CVE-2026-27171 CVE-2023-45853 Upstream summary: zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 21.0.6_p7-r0 📖 ~4 min read • Source: Alpine secdb entry — openjdk21 21.0.6_p7-r0 Related CVEs: CVE-2025-21502 CVE-2024-21217 CVE-2024-21235 CVE-2024-21210 CVE-2024-21211 CVE-2024-21208 CVE-2024-21147 CVE-2024-21145 +12 more Upstream summary: Alpine community repository for vv3.19 ships openjdk21 21.0.6_p7-r0 which […]
🟡 Medium ⏱ 10–30 min Last verified: 12 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2026-1334 Related CVEs: CVE-2026-0861 CVE-2026-0915 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟡 Medium ⏱ 10–30 min Last verified: 12 July 2026 Affected versions: SLES 16 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2014:0467-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-6401 Upstream summary: Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a […]
🟠 High ⏱ 15–60 min Last verified: 12 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read • Source: ELSA advisory ELSA-2026-3443 Related CVEs: CVE-2025-67733 CVE-2026-21863 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2UNBOUND-1.17-2025-005 Related CVEs: CVE-2025-5994 CVE-2023-50387 CVE-2023-50868 CVE-2024-1488 CVE-2024-33655 CVE-2020-10772 CVE-2020-12662 CVE-2020-12663 +12 more Upstream summary: A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that […]
🟠 High ⏱ 15–60 min Last verified: 12 July 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2025-3367 Related CVEs: CVE-2025-0624 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Netplan is the default network configuration tool on Ubuntu since 18.04. It uses YAML configuration files to describe network interfaces and passes them to either NetworkManager (desktops) or systemd-networkd (servers). This guide configures a static IP address using Netplan on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A […]
