April 2022 - Page 3 of 70

Debian 11 — opus-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — opus-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9638 CVE-2014-9639 Upstream summary: oggenc in vorbis-tools 1.4.0 allows remote attackers to cause a denial of service (divide-by-zero error and crash) via a WAV file with the number […]

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Ubuntu 20.04 — libinput — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libinput — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5382-1 Related CVEs: CVE-2022-1215 Upstream summary: Albin Eldstål-Ahrens and Lukas Lamster discovered libinput did not properly handle input devices with specially crafted names. A local attacker with physical access could […]

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How to Harden SMB and File Sharing on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Harden SMB and File Sharing on Windows Server 2012 R2

How to Harden SMB and File Sharing on Windows Server 2012 R2 Server Message Block (SMB) is the protocol behind Windows file sharing, named pipes, and printer sharing—and it has been a primary target for attackers for decades. From EternalBlue (MS17-010) to NTLM relay attacks, SMB vulnerabilities have enabled some of the most devastating network […]

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AlmaLinux 8 — perl-Locale-Codes — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Locale-Codes — 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-2019:3337 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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Alpine Linux edge — py3-mistune — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-mistune — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-mistune 2.0.3-r0 Related CVEs: CVE-2022-34749 Upstream summary: Alpine community repository for vedge ships py3-mistune 2.0.3-r0 which addresses CVE-2022-34749. Table of contents Symptom & Impact Environment […]

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Gentoo Linux — sys-apps/busybox — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/busybox — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202407-17 Related CVEs: CVE-2021-42373 CVE-2021-42374 CVE-2021-42375 CVE-2021-42376 CVE-2021-42377 CVE-2021-42378 CVE-2021-42379 CVE-2021-42380  +7 more Upstream summary: Multiple vulnerabilities have been discovered in BusyBox. Please review the CVE identifiers referenced below for details. Table […]

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Oracle Linux 8 — container-tools:1.0 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:1.0 — security and stability fixes — required update (ELSA-2020-1926)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1926 Related CVEs: CVE-2020-10696 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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Arch Linux — jre-openjdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jre-openjdk — multiple vulnerabilities (3 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-202107-66 Related CVEs: CVE-2021-2388 CVE-2021-2369 CVE-2021-2341 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 16.0.1.u9-1. Fixed in: 16.0.2.u7-1. Group: AVG-2188. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Amazon Linux 2 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1746 Related CVEs: CVE-2016-2124 CVE-2020-25717 CVE-2021-44142 CVE-2020-14318 CVE-2020-14323 CVE-2020-1472 CVE-2022-38023 CVE-2022-32744  +12 more Upstream summary: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution (CVE-2021-44142) Table of contents […]

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How to Enable the EPEL Repository on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Enable the EPEL Repository on CentOS Stream 9

Introduction Setting up enable the epel repository on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Enable the EPEL Repository on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to […]

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