Logging Monitoring

Windows Server 2016 — KB5028226 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028226 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028226 • MSRC update-guide entry Related CVEs: CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-33166 CVE-2023-33167 CVE-2023-33168  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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Oracle Linux 9 — shim — bug fix update — issues resolved — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — shim — bug fix update — issues resolved (ELSA-2024-1903)

  • September 1, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1903 Related CVEs: CVE-2023-40551 CVE-2023-40548 CVE-2023-40549 CVE-2023-40546 CVE-2023-40550 CVE-2023-40547 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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NetBSD 9.4 — xalan-j — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xalan-j — vulnerability — patch and remediation guide

  • September 1, 2023
  • BSD
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🟡 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-2014-0107 Upstream summary: pkgsrc audit-packages flagged xalan-j>=2.7.0<2.7.2 for vulnerability class 'security-bypass'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0107 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Set Up a Flask Application on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Flask Application on CentOS Stream 9

  • September 1, 2023
  • CentOS
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Introduction Setting up set up a flask application on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up a Flask Application on CentOS Stream 9, with all the commands you need, the SELinux and firewalld […]

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Common Problems 120064

Debian 12 SSH Public Key Authentication Fails

  • September 1, 2023
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 1 September 2023 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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NetBSD 9.4 — unalz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — unalz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 1, 2023
  • BSD
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🟡 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-2005-3862 CVE-2006-0950 Upstream summary: pkgsrc audit-packages flagged unalz<0.40 for vulnerability class 'buffer-overflow'. Reference: http://www.kipple.pe.kr/win/unalz/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 13 — py38-configobj — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-configobj — vulnerability — patch and remediation guide

  • September 1, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 1 September 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Configobj — Regular Expression Denial of Service attack Related CVEs: CVE-2023-26112 Upstream summary: [email protected] reports: All versions of the package configobj are vulnerable to Regular Expression Denial of Service (ReDoS) […]

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FreeBSD 12 — p5-Spreadsheet-ParseExcel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-Spreadsheet-ParseExcel — vulnerability — patch and remediation guide

  • September 1, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 1 September 2023 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Spreadsheet-ParseExcel — Remote Code Execution Vulnerability Related CVEs: CVE-2023-7101 Upstream summary: Spreadsheet-ParseExcel reports: Spreadsheet::ParseExcel version 0.65 is a Perl module used for parsing Excel files. Spreadsheet::ParseExcel is vulnerable to an […]

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NetBSD 9.4 — ruby-facter — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-facter — vulnerability — patch and remediation guide

  • September 1, 2023
  • BSD
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🟡 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 ruby{18,193,200,215}-facter<2.4.1 for vulnerability class 'information-leakage'. Reference: http://puppetlabs.com/security/cve/cve-2015-1426 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 12 — libgssglue — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libgssglue — vulnerability — patch and remediation guide

  • September 1, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 1 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2709 Upstream summary: libgssapi and libgssglue before 0.4 do not properly check privileges, which allows local users to load untrusted configuration files and execute arbitrary code via the […]

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