Security Hardening

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50145)

  • March 18, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 18 March 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50145 Related CVEs: CVE-2024-26655 CVE-2024-36903 CVE-2024-36927 CVE-2024-40928 CVE-2024-46830 CVE-2024-49968 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Leap 15.5 — python3-Werkzeug — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python3-Werkzeug — vulnerability — patch and remediation guide

  • March 18, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1572-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-34069 Upstream summary: Werkzeug is a comprehensive WSGI web application library. The debugger in affected versions of Werkzeug can allow an attacker to execute […]

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NetBSD 10.0 — openmotif — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — openmotif — vulnerability — patch and remediation guide

  • March 17, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2005-3964 Upstream summary: pkgsrc audit-packages flagged openmotif<2.2.3nb1 for vulnerability class 'buffer-overflow'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3964 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Set Up CentOS Stream 10 Cluster with Pacemaker — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up CentOS Stream 10 Cluster with Pacemaker

  • March 17, 2025
  • CentOS
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Introduction This tutorial demonstrates how to Set Up CentOS Stream 10 Cluster with Pacemaker on CentOS Stream 10. 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 10 system with the […]

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FreeBSD 14 — phpgroupware — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — phpgroupware — vulnerability — patch and remediation guide

  • March 17, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pear-XML_RPC — remote PHP code injection vulnerability Related CVEs: CVE-2005-2498 Upstream summary: A Hardened-PHP Project Security Advisory reports: When the library parses XMLRPC requests/responses, it constructs a string of PHP […]

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NetBSD 10.0 — postgresql90-plperl — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — postgresql90-plperl — vulnerability — patch and remediation guide

  • March 17, 2025
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2010-3433 Upstream summary: pkgsrc audit-packages flagged postgresql90-plperl<9.0.1 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3433 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 10.0 — mkvtoolnix — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — mkvtoolnix — vulnerability — patch and remediation guide

  • March 17, 2025
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-4022 Upstream summary: pkgsrc audit-packages flagged mkvtoolnix<28.2.0 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-4022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — py39-flask-caching — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py39-flask-caching — vulnerability — patch and remediation guide

  • March 17, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-flask-caching — remote code execution or local privilege escalation vulnerabilities Related CVEs: CVE-2021-33026 Upstream summary: subnix reports: The Flask-Caching extension through 2.0.2 for Flask relies on Pickle for serialization, which […]

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FreeBSD 13 — dendrite — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dendrite — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 17, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2025 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dendrite — Server-side request forgery vulnerability Related CVEs: CVE-2022-36009 CVE-2024-52594 Upstream summary: Dendrite team reports: This is a security release, gomatrixserverlib was vulnerable to server-side request forgery, serving content from […]

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NetBSD 10.0 — hylafax-4.2.[0-3] — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — hylafax — vulnerability — patch and remediation guide

  • March 17, 2025
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged hylafax{,nb*} for vulnerability class 'local-privilege-escalation'. Reference: http://secunia.com/advisories/18314/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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