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Debian 11 — rkhunter — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rkhunter — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1270 CVE-2008-4982 CVE-2017-7480 Upstream summary: The (1) check_update.sh and (2) rkhunter script in Rootkit Hunter before 1.2.3-r1 create temporary files with predictable file names, which allows local users […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-0130)

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0130 Related CVEs: CVE-2022-22747 CVE-2022-22737 CVE-2022-22751 CVE-2021-4140 CVE-2022-22740 CVE-2022-22739 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2021-9420)

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9420 Related CVEs: CVE-2021-3656 CVE-2021-3653 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 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — nginx — multiple vulnerabilities (6 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-201707-11 Related CVEs: CVE-2017-7529 CVE-2016-1247 CVE-2021-23017 CVE-2019-9516 CVE-2019-9513 CVE-2019-9511 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 1.12.0-2. Fixed in: 1.12.1-1. Group: AVG-345. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — mysql56-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mysql56-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2015-4792 CVE-2015-4802 CVE-2015-4807 CVE-2015-4815 CVE-2015-4826 CVE-2015-4830 CVE-2015-4836 CVE-2015-4858  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 34 new security patches for […]

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How To Protect SSH with Fail2Ban on Debian 11 — step-by-step Linux tutorial on Progressive Robot

How To Protect SSH with Fail2Ban on Debian 11

Fail2ban is a service that can be run on your server to dynamically block clients that repeatedly fail to authenticate correctly with your services . This can help mitigate the affect of brute force attacks and illegitimate users of your services. In this guide, we’ll demonstrate how to install and configure fail2ban to protect SSH on a Debian 11 server.

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How to Configure IIS SSL/TLS on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure IIS SSL/TLS on Windows Server 2019

Introduction to IIS SSL/TLS Configuration on Windows Server 2019 Internet Information Services (IIS) 10 on Windows Server 2019 supports TLS 1.0 through TLS 1.3, with TLS 1.3 enabled by default when running on Windows Server 2019 version 1903 or later. Configuring SSL/TLS correctly on IIS means obtaining and binding a valid certificate, disabling outdated protocol […]

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

AlmaLinux 8 — patch — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:1852 Related CVEs: CVE-2019-13636 Upstream summary: The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made […]

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