Linux

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

Ubuntu 20.04 — znc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 December 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6990-1 Related CVEs: CVE-2024-39844 Upstream summary: Johannes Kuhn (DasBrain) discovered that znc incorrectly handled user input under certain operations. An attacker could possibly use this issue to execute arbitrary code […]

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Alpine Linux 3.20 — perl-spreadsheet-parseexcel — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — perl-spreadsheet-parseexcel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.66-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-spreadsheet-parseexcel 0.66-r0 Related CVEs: CVE-2023-7101 Upstream summary: Alpine community repository for vv3.20 ships perl-spreadsheet-parseexcel 0.66-r0 which addresses CVE-2023-7101. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — pcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pcp — vulnerability — patch and remediation guide (ELSA-2024-9452)

🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9452 Related CVEs: CVE-2024-45769 CVE-2024-45770 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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Alpine Linux 3.20 — perl-email-mime — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — perl-email-mime — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.954-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-email-mime 1.954-r0 Related CVEs: CVE-2024-4140 Upstream summary: Alpine community repository for vv3.20 ships perl-email-mime 1.954-r0 which addresses CVE-2024-4140. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — grafana-pcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — grafana-pcp — vulnerability — patch and remediation guide (ELSA-2024-1502)

🟠 High   ⏱ 15–60 min  Last verified: 23 December 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1502 Related CVEs: CVE-2024-1394 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 8 — python3.11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3.11 — vulnerability — patch and remediation guide (ELSA-2024-6962)

🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-6962 Related CVEs: CVE-2024-4032 CVE-2024-6923 CVE-2024-8088 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 — dovecot — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dovecot — vulnerability — patch and remediation guide (ELSA-2024-6973)

🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-6973 Related CVEs: CVE-2024-23184 CVE-2024-23185 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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openSUSE Leap 15.6 — Mesa — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — Mesa — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3526-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-45913 CVE-2023-45919 CVE-2023-45922 Upstream summary: Mesa v23.0.4 was discovered to contain a NULL pointer dereference via the function dri2GetGlxDrawableFromXDrawableId(). This vulnerability is triggered when […]

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How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install CodeIgniter 4 on Ubuntu 24.04

CodeIgniter 4 is a lightweight, fast PHP framework ideal for developers who want a simple MVC structure without heavy overhead. This guide installs CodeIgniter 4 on Ubuntu 24.04 LTS with Nginx and PHP 8.3. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx, PHP 8.3-FPM installed Composer installed Step 1 – […]

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Common Problems 127179

CentOS Stream 10 – Common Problem 247 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 22 December 2024 Affected versions: CentOS Stream 10 📖 ~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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