Systemd Services

Ubuntu 16.04 — pulseaudio — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — pulseaudio — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 March 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4640-1 Related CVEs: CVE-2020-16123 CVE-2020-15710 CVE-2020-11931 https://launchpad.net/bugs/1877102 Upstream summary: James Henstridge discovered that an Ubuntu-specific patch caused PulseAudio to incorrectly handle snap client connections. An attacker could possibly use this […]

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Ubuntu 14.04 — fail2ban — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — fail2ban — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 March 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5232-1 Related CVEs: CVE-2021-32749 Upstream summary: Jakub Żoczek discovered that certain Fail2ban actions handled whois responses in an insecure way. If Fail2ban was configured to use certain mail actions like […]

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openSUSE Tumbleweed — libfreeimage3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libfreeimage3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-21428 CVE-2019-12211 CVE-2015-0852 CVE-2016-5684 CVE-2019-12213 Upstream summary: Buffer Overflow vulnerability in function LoadRGB in PluginDDS.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code […]

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SLES 12 — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — glib-networking — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 March 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:3944-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-13645 Upstream summary: In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to […]

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Arch Linux — dotnet-runtime — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — dotnet-runtime — multiple vulnerabilities (5 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-202103-20 Related CVEs: CVE-2021-26701 CVE-2021-24112 CVE-2021-1723 CVE-2021-1721 CVE-2021-31204 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 5.0.3.sdk103-2. Fixed in: 5.0.4.sdk104-1. Group: AVG-1698. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — redis:6 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — redis:6 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7541)

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7541 Related CVEs: CVE-2022-24736 CVE-2022-24735 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 — zint — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — zint — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-13 Related CVEs: CVE-2021-27799 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.9.1-1. Fixed in: 2.9.1-2. Group: AVG-1625. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 10 — icingaweb2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — icingaweb2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-24368 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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How to Set Up Zabbix on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Zabbix on Oracle Linux 8

Introduction Setting up set up zabbix on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Zabbix on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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