Security Hardening

Oracle Linux 9 — nodejs:20 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs:20 — vulnerability — patch and remediation guide (ELSA-2025-7426)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 June 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7426 Related CVEs: CVE-2025-31498 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Windows Server 2019 — KB5063899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5063899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5063899 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50154  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]

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Alpine Linux 3.19 — tiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — tiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 4.5.0-r5 📖 ~4 min read  •  Source: Alpine secdb entry — tiff 4.5.0-r5 Related CVEs: CVE-2023-0795 CVE-2023-0796 CVE-2023-0797 CVE-2023-0798 CVE-2023-0799 CVE-2023-0800 CVE-2023-0801 CVE-2023-0802  +12 more Upstream summary: Alpine main repository for vv3.19 ships tiff 4.5.0-r5 which […]

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NetBSD 10.0 — py-docx — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-docx — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-5851 Upstream summary: pkgsrc audit-packages flagged py{27,34,35}-docx<0.8.6 for vulnerability class 'xml-external-entity'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-5851 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Install Prometheus on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Prometheus on RHEL 10

Introduction This tutorial demonstrates how to Install Prometheus on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. Prerequisites […]

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NetBSD 10.0 — apache-maven — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — apache-maven — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-26291 CVE-2022-29599 Upstream summary: pkgsrc audit-packages flagged apache-maven<3.0.5 for vulnerability class 'man-in-the-middle-attack'. Reference: http://secunia.com/advisories/52381/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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How to Configure MinIO Object Storage on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure MinIO Object Storage on RHEL 10

Introduction This tutorial demonstrates how to Configure MinIO Object Storage on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories […]

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NetBSD 10.0 — xzgv — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xzgv — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2006-1060 Upstream summary: pkgsrc audit-packages flagged xzgv<0.8.0.1nb3 for vulnerability class 'remote-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1060 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Set Up Zabbix on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Zabbix on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up zabbix on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Zabbix on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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NetBSD 10.0 — qmail-run — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — qmail-run — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2005-1513 Upstream summary: pkgsrc audit-packages flagged qmail-run<20200519 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2005-1513 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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