Security Hardening

FreeBSD 13 — postgresql93-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postgresql93-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL — SQL injection in pg_upgrade and pg_dump Related CVEs: CVE-2014-8161 CVE-2015-0241 CVE-2015-0242 CVE-2015-0243 CVE-2015-0244 CVE-2015-3165 CVE-2015-3166 CVE-2015-3167  +12 more Upstream summary: The PostgreSQL project reports: CVE-2018-16850: SQL injection in […]

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Arch Linux — flatpak — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — flatpak — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-40 Related CVEs: CVE-2021-21261 CVE-2019-5736 CVE-2021-21381 Upstream summary: Type: sandbox escape. Status: Fixed. Affected: 1.9.2-1. Fixed in: 1.10.0-1. Group: AVG-1454. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure Postfix Mail Server on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Postfix Mail Server on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure postfix mail server on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-2199)

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-2199 Related CVEs: CVE-2022-23267 CVE-2022-29145 CVE-2022-29117 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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Common Problems 118063

Failed to Mount CIFS Share at Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 16 December 2021 📖 ~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 & Cross-Refs References & Further […]

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FreeBSD 13 — dokuwiki — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dokuwiki — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Dokuwiki — cross site scripting vulnerability Related CVEs: CVE-2006-4674 CVE-2006-4675 CVE-2006-4679 CVE-2006-5098 CVE-2006-5099 CVE-2007-3930 CVE-2009-1960 CVE-2010-0287  +5 more Upstream summary: Secunia Research reports: Secunia Research has discovered a vulnerability in […]

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How to Configure Vault PKI Secrets Engine on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Vault PKI Secrets Engine on CentOS Stream 9

Introduction How to Configure Vault PKI Secrets Engine on CentOS Stream 9 on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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AlmaLinux 8 — python-ldap — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-ldap — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4313 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 12 — rabbitmq — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rabbitmq — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 December 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: RabbitMQ — Denial of Service via improper input validation Related CVEs: CVE-2015-0862 CVE-2016-9877 CVE-2021-22116 Upstream summary: Jonathon Knudsen of Synopsys Cybersecurity Research Center reports: All versions prior to 3.8.16 are […]

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FreeBSD 13 — zh_TW-openoffice — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zh_TW-openoffice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading a […]

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