October 2023 - Page 34 of 75

Ubuntu 20.04 — minidlna — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — minidlna — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6398-1 Related CVEs: CVE-2022-26505 CVE-2023-33476 CVE-2020-12695 CVE-2020-28926 Upstream summary: It was discovered that ReadyMedia was vulnerable to DNS rebinding attacks. A remote attacker could possibly use this issue to trick […]

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Common Problems 117451

Ubuntu 20.04 LTS Disk Full Due to Orphaned Docker Layers

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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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Oracle Linux 8 — olcne — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — olcne — vulnerability — patch and remediation guide (ELSA-2023-25546)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-25546 Related CVEs: CVE-2023-2728 CVE-2023-2727 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 — libX11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libX11 — vulnerability — patch and remediation guide (ELSA-2023-7029)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7029 Related CVEs: CVE-2023-3138 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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Oracle Linux 9 — .NET 7.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 7.0 — vulnerability — patch and remediation guide (ELSA-2023-5146)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5146 Related CVEs: CVE-2023-36799 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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How to Install MongoDB on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install MongoDB on Debian 12

Introduction This guide explains how to Install MongoDB on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the standard repositories […]

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Common Problems 116983

Ubuntu 22.04 LTS – SSH public key login denied after hardening changes – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 22.04 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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Amazon Linux 2023 — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — traceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-452 Related CVEs: CVE-2023-46316 Upstream summary: In buc Traceroute 2.0.12 through 2.1.2 before 2.1.3, the wrapper scripts do not properly parse command lines. (CVE-2023-46316) Table of contents Symptom & Impact […]

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NetBSD 9.4 — ruby1-activesupport — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby1-activesupport — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby1{8,9}-activesupport>=3.0<3.0.8 for vulnerability class 'cross-site-scripting'. Reference: http://secunia.com/advisories/44789/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 9.4 — ruby-zip — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-zip — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-5946 CVE-2018-1000544 CVE-2019-16892 Upstream summary: pkgsrc audit-packages flagged ruby{18,21,22,23}-zip<1.2.1 for vulnerability class 'directory-traversal'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5946 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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