Package Management

FreeBSD 12 — py27-matrix-synapse — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py27-matrix-synapse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-matrix-synapse — multiple vulnerabilities Related CVEs: CVE-2019-5885 Upstream summary: Matrix developers report: The matrix team releases Synapse 1.2.1 as a critical security update. It contains patches relating to redactions and […]

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How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Deploy a Flask Application with Gunicorn and Nginx on RHEL 8

Flask is a lightweight Python web framework well-suited for building APIs and web applications on RHEL 8. Gunicorn acts as the production-grade WSGI server that runs your Flask app, while Nginx sits in front as a reverse proxy handling incoming traffic. This guide walks through deploying a Flask application on RHEL 8 using a Python […]

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Debian 9 — file — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — file — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000249 CVE-2019-18218 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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Arch Linux — libzip — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libzip — vulnerability — 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-201711-13 Related CVEs: CVE-2017-12858 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.2.0-1. Fixed in: 1.3.0-1. Group: AVG-390. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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openSUSE Tumbleweed — ruby2.2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby2.2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2017:1128-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-1855 CVE-2015-3900 CVE-2015-7551 Upstream summary: verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not […]

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How to Install GitHub Actions Runner on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install GitHub Actions Runner on SLES 15

Introduction This tutorial covers How to Install GitHub Actions Runner on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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FreeBSD 12 — pitivi — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pitivi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pitivi — code execution Related CVEs: CVE-2015-0855 Upstream summary: Luke Farone reports: Double-clicking a file in the user's media library with a specially-crafted path or filename allows for arbitrary code […]

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FreeBSD 12 — kdeedu — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kdeedu — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kstars — exploitable set-user-ID application fliccd Related CVEs: CVE-2005-0011 Upstream summary: A KDE Security Advisory explains: Overview KStars includes support for the Instrument Neutral Distributed Interface (INDI). The build system […]

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How to Configure Zabbix Agent on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Zabbix Agent on Debian 9

Introduction Deploying configure zabbix agent on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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