Package Management

Debian 11 — xli — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xli — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2001-0775 CVE-2005-0638 CVE-2005-0639 CVE-2005-3178 Upstream summary: Buffer overflow in xloadimage 4.1 (aka xli 1.16 and 1.17) in Linux allows remote attackers to execute arbitrary code via a FACES […]

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

Debian 11 — node-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9244 CVE-2019-14939 Upstream summary: Keys of objects in mysql node module v2.0.0-alpha7 and earlier are not escaped with `mysql.escape()` which could lead to SQL Injection. Table of contents […]

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Arch Linux — python-urllib3 — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — python-urllib3 — 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-202106-25 Related CVEs: CVE-2021-33503 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.26.4-2. Fixed in: 1.26.5-1. Group: AVG-2038. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — weechat — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 December 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5258-1 Related CVEs: CVE-2017-14727 CVE-2020-8955 CVE-2020-9759 CVE-2020-9760 CVE-2021-40516 Upstream summary: Stuart Nevans Locke discovered that WeeChat's relay plugin insecurely handled malformed websocket frames. A remote attacker in control of a […]

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Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:10 — vulnerability — patch and remediation guide (ELSA-2021-0735)

🟠 High   ⏱ 15–60 min  Last verified: 21 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0735 Related CVEs: CVE-2021-22884 CVE-2021-22883 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 — dotnet security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-1259)

🟠 High   ⏱ 15–60 min  Last verified: 20 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1259 Related CVEs: CVE-2019-0820 CVE-2019-0981 CVE-2019-0757 CVE-2019-0980 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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How to Set Up CentOS Stream 9 in AWS — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up CentOS Stream 9 in AWS

Introduction This tutorial demonstrates how to Set Up CentOS Stream 9 in AWS on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]

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

AlmaLinux 8 — bacula — 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-2019:3504 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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