Package Management

How to Use Skopeo for Container Images on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Use Skopeo for Container Images on Oracle Linux 8

Introduction How to Use Skopeo for Container Images on Oracle Linux 8 on Oracle Linux 8 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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FreeBSD 13 — rekonq — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rekonq — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kdelibs4, rekonq — input validation failure Related CVEs: CVE-2011-3365 CVE-2011-3366 Upstream summary: KDE Security Advisory reports: The default rendering type for a QLabel is QLabel::AutoText, which uses heuristics to determine […]

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FreeBSD 13 — testdisk — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — testdisk — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: testdisk — buffer overflow with malicious disk image Upstream summary: CGSecurity TestDisk Changelog reports: Various fix including security fix, thanks to: Coverity scan (Static Analysis of source code) afl-fuzz (security-oriented […]

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How to Set Up the ELK Stack on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Set Up the ELK Stack on FreeBSD 12

Introduction This guide explains how to Set Up the ELK Stack on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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FreeBSD 13 — prosody — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — prosody — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Prosody XMPP server advisory 2026-04-29 Related CVEs: CVE-2016-0756 CVE-2016-1231 CVE-2016-1232 CVE-2021-32917 CVE-2021-32918 CVE-2021-32919 CVE-2021-32920 CVE-2021-32921  +6 more Upstream summary: The Prosody team reports: Traffic patterns were discovered which can cause […]

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Ubuntu 20.04 — zoneminder — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zoneminder — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5889-1 Related CVEs: CVE-2019-6777 CVE-2019-6990 CVE-2019-6991 CVE-2019-6992 CVE-2019-7325 CVE-2019-7326 CVE-2019-7327 CVE-2019-7328  +5 more Upstream summary: It was discovered that ZoneMinder was not properly sanitizing URL parameters for certain views. An […]

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Amazon Linux 2 — mc — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — mc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2147 Related CVEs: CVE-2021-36370 Upstream summary: An issue was discovered in Midnight Commander through 4.8.26. When establishing an SFTP connection, the fingerprint of the server is neither checked nor displayed. […]

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

Oracle Linux 8 — sudo security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1804)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1804 Related CVEs: CVE-2019-19232 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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FreeBSD 13 — py39-nicotine-plus — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-nicotine-plus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-nicotine-plus — Denial of service vulnerability Related CVEs: CVE-2021-45848 Upstream summary: ztauras reports: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows […]

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