Logging Monitoring

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2021-4537)

🟠 High   ⏱ 15–60 min  Last verified: 17 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4537 Related CVEs: CVE-2021-20325 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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Debian 10 — ruby2.5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ruby2.5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 August 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15845 CVE-2020-10663 CVE-2021-28965 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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Debian 11 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — roundcube — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6321 CVE-2008-5619 CVE-2008-5620 CVE-2009-0413 CVE-2009-4076 CVE-2009-4077 CVE-2010-0464 CVE-2011-1491  +12 more Upstream summary: Cross-site scripting (XSS) vulnerability in RoundCube webmail 0.1rc2, 2007-12-09, and earlier versions, when using Internet Explorer, […]

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

Oracle Linux 8 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-3010)

🟠 High   ⏱ 15–60 min  Last verified: 16 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3010 Related CVEs: CVE-2019-19807 CVE-2020-10757 CVE-2020-10766 CVE-2020-10767 CVE-2020-10768 CVE-2019-3016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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FreeBSD 13 — mono — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mono — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mono — DoS and code execution Related CVEs: CVE-2006-5072 CVE-2009-0217 CVE-2009-0689 Upstream summary: NCC Group reports: An attacker who can cause a carefully-chosen string to be converted to a floating-point […]

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AlmaLinux 8 — chrony — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — chrony — 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-2021:4462 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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How to Configure OSPF with FRRouting on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure OSPF with FRRouting on FreeBSD 13

Introduction Deploying configure ospf with frrouting on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard […]

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How to Configure Just Enough Administration (JEA) on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Just Enough Administration (JEA) on Windows Server 2012 R2

How to Configure Just Enough Administration (JEA) on Windows Server 2012 R2 Just Enough Administration (JEA) is a PowerShell-based delegated administration framework that allows you to grant granular, role-based administrative access without giving users full Administrator privileges. With JEA, you can define exactly which PowerShell commands a user can run, what parameters they can pass, […]

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

FreeBSD 13 — openlierox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libzip — integer overflow Related CVEs: CVE-2015-2331 Upstream summary: libzip developers report: Avoid integer overflow. Fixed similarly to patch used in PHP copy of libzip. Table of contents Symptom & […]

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AlmaLinux 8 — anaconda — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — anaconda — 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-2022:1780 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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