August 2023 - Page 57 of 75

Oracle Linux 9 — dnsmasq — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — dnsmasq — security and stability fixes — required update (ELSA-2023-6524)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6524 Related CVEs: CVE-2023-28450 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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Windows Server 2022 — KB5032252 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5032252 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5032252 • MSRC update-guide entry Related CVEs: CVE-2023-36397 CVE-2023-36036 CVE-2023-36428 CVE-2023-36425 CVE-2023-36424 CVE-2023-36423 CVE-2023-36017 CVE-2023-36705  +7 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]

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NetBSD 9.4 — gcc50 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gcc50 — 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 Related CVEs: CVE-2015-5276 Upstream summary: pkgsrc audit-packages flagged gcc50{,-libs}-[0-9]* for vulnerability class 'insufficiently-random-numbers'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5276 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — gif2png — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gif2png — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-17371 Upstream summary: pkgsrc audit-packages flagged gif2png<2.5.4 for vulnerability class 'remote-system-access'. Reference: http://secunia.com/advisories/42339/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 120026

Debian 12 DNS Resolution Flaps with systemd-resolved

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 12 📖 ~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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How to Set Up ModSecurity WAF on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up ModSecurity WAF on Oracle Linux 9

Introduction Setting up set up modsecurity waf on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up ModSecurity WAF on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to […]

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IBM AIX 7.2 — CVE-2023-24964 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2023-24964 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2023-24964, IBM Support Bulletin CVE: CVE-2023-24964 NVD summary: IBM InfoSphere Information Server 11.7 could allow a local user to obtain sensitive information from a log files. IBM X-Force ID: 246463. References: exchange.xforce.ibmcloud.com/vulnerabilities/246 […]

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Common Problems 117605

Ubuntu 20.04 LTS Failed to Start OpenVPN Service

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]

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