Package Management

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-2020-1341)

🔴 Critical   ⏱ 15–90 min  Last verified: 27 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1341 Related CVEs: CVE-2020-6819 CVE-2020-6820 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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Oracle Linux 8 — ELSA-2022-9073-1: nodejs:16 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ELSA-2022-9073-1: nodejs:16 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-9073-1)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 March 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9073-1 Related CVEs: CVE-2021-44906 CVE-2021-44532 CVE-2021-44533 CVE-2022-43548 CVE-2022-21824 CVE-2021-44531 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 117562

Ubuntu 20.04 LTS Proxy Misconfiguration Breaks apt and curl

🟡 Medium   ⏱ 5–30 min  Last verified: 26 March 2021 Affected versions: 20.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Alpine Linux edge — vips — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — vips — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 8.9.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — vips 8.9.0-r0 Related CVEs: CVE-2020-20739 CVE-2019-17534 Upstream summary: Alpine community repository for vedge ships vips 8.9.0-r0 which addresses CVE-2020-20739. Table of contents Symptom & Impact […]

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How to Configure Chef Client on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Chef Client on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure chef client on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Chef Client on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Gentoo Linux — net-libs/libslirp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-libs/libslirp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202107-44 Related CVEs: CVE-2021-3592 CVE-2021-3593 CVE-2021-3594 CVE-2021-3595 Upstream summary: Multiple vulnerabilities have been discovered in libslirp. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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How to Install and Use Helm on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Use Helm on RHEL 8

Helm is the package manager for Kubernetes, allowing you to define, install, and upgrade even the most complex applications through reusable, versioned packages called charts. Rather than managing a collection of disconnected YAML manifests, Helm wraps them into a single chart with templating, default values, and lifecycle hooks. On RHEL 8 the installation is straightforward: […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2MARIADB10.5-2023-001 Related CVEs: CVE-2021-27928 CVE-2021-2372 CVE-2021-2389 CVE-2021-35604 CVE-2021-46657 CVE-2021-46658 CVE-2021-46659 CVE-2021-46661  +12 more Upstream summary: A remote code execution issue was discovered in MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, […]

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openSUSE Tumbleweed — python36-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0349-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36242 CVE-2020-25659 Upstream summary: In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in […]

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SLES 12 — libexiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libexiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 March 2021 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3889-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-29457 CVE-2018-19535 CVE-2018-20097 CVE-2019-13112 CVE-2021-29473 CVE-2021-34334 CVE-2021-31291 CVE-2019-13110  +12 more Upstream summary: Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and […]

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