Operations

Oracle Linux 8 — libsolv — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libsolv — security and stability fixes — required update (ELSA-2021-4408)

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4408 Related CVEs: CVE-2021-3200 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 — twiki — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — twiki — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: twiki — remote Perl code execution Related CVEs: CVE-2004-1037 CVE-2006-3336 CVE-2008-3195 CVE-2008-5304 CVE-2008-5305 CVE-2014-7236 Upstream summary: TWiki developers report: The debugenableplugins request parameter allows arbitrary Perl code execution. Using an […]

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Arch Linux — loki — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — loki — 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-202108-12 Related CVEs: CVE-2021-36156 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 2.2.1-3. Fixed in: 2.3.0-1. Group: AVG-2250. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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FreeBSD 13 — mariadb101-client — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mariadb101-client — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Vulnerability in C API Related CVEs: CVE-2016-3492 CVE-2016-5616 CVE-2016-5617 CVE-2016-5624 CVE-2016-5626 CVE-2016-5629 CVE-2016-6663 CVE-2016-6664  +4 more Upstream summary: MariaDB reports: Difficult to exploit vulnerability allows unauthenticated attacker with […]

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FreeBSD 13 — id3lib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — id3lib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: id3lib — insecure temporary file creation Related CVEs: CVE-2007-4460 Upstream summary: Debian Bug report log reports: When tagging file $foo, a temporary copy of the file is created, and for […]

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FreeBSD 12 — rubygem-carrierwave — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-carrierwave — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Carrierwave — Multiple vulnerabilities Related CVEs: CVE-2021-21288 CVE-2021-21305 Upstream summary: Community reports: Fix Code Injection vulnerability in CarrierWave::RMagick Fix SSRF vulnerability in the remote file download feature Table of contents […]

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Ubuntu 16.04 — php-cas — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-cas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 January 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6913-2 Related CVEs: CVE-2022-39369 Upstream summary: USN-6913-1 fixed CVE-2022-39369 for Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. This update provides the corresponding fix for Ubuntu 16.04 LTS. Original advisory details: […]

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How to Set Up Uptime Kuma for Service Monitoring on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up Uptime Kuma for Service Monitoring on RHEL 7

How to Set Up Uptime Kuma for Service Monitoring on RHEL 7 Uptime Kuma is a self-hosted, open-source uptime monitoring tool that provides a clean web interface for tracking the availability of HTTP endpoints, TCP ports, DNS records, and more. It supports multiple notification channels including email, Slack, and Telegram, and includes a built-in public […]

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SLES 15 — python311-Babel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-Babel — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-20095 Upstream summary: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Notes: none Table of contents Symptom […]

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Oracle Linux 8 — container-tools:2.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:2.0 — vulnerability — patch and remediation guide (ELSA-2021-0706)

🟠 High   ⏱ 15–60 min  Last verified: 17 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0706 Related CVEs: CVE-2021-20188 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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