Linux

SLES 16 — libksba8 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libksba8 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 21 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2627-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-3515 CVE-2022-47629 CVE-2014-9087 CVE-2016-4574 CVE-2016-4579 Upstream summary: A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The […]

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Oracle Linux 8 — .NET 8.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 8.0 — vulnerability — patch and remediation guide (ELSA-2025-18148)

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-18148 Related CVEs: CVE-2025-55315 CVE-2025-55248 CVE-2025-55247 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Debian 13 — tcpreplay — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — tcpreplay — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6160 CVE-2017-14266 CVE-2018-13112 CVE-2018-17580 CVE-2018-17582 CVE-2018-17974 CVE-2018-18407 CVE-2018-18408  +12 more Upstream summary: tcprewrite in tcpreplay before 4.1.2 allows remote attackers to cause a denial of service (segmentation fault) […]

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Fedora 42 — nodejs-aw-webui — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — nodejs-aw-webui — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-7047e2fec5 Upstream summary: Rebuilt with openssl 0.10.79 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Debian 13 — assimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — assimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-45948 CVE-2022-38528 CVE-2022-45748 CVE-2024-40724 CVE-2024-45679 CVE-2024-46632 CVE-2024-48423 CVE-2024-48424  +12 more Upstream summary: Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr […]

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How to Install Ruby with rbenv on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Ruby with rbenv on RHEL 10

Introduction Setting up install ruby with rbenv on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Ruby with rbenv on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to […]

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How to Configure PHP-FPM with Nginx on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Symfony 7 on Ubuntu 26.04

Symfony 7 is a robust PHP framework following an LTS release cycle. Known for its reusable components and strict standards, Symfony powers enterprise applications worldwide. This guide installs a Symfony 7 application on Ubuntu 26.04 LTS with Nginx and PHP-FPM. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Nginx and PHP […]

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Common Problems 115908

Ubuntu 26.04 LTS – apt update fails due to Release file validity date error – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 […]

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Rocky Linux 9 — python3.12-urllib3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — python3.12-urllib3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:1088 Related CVEs: CVE-2025-66418 CVE-2025-66471 CVE-2026-21441 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. […]

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