Troubleshooting

Fedora 42 — python3.15 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — python3.15 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-e7dc1a8950 Related CVEs: CVE-2026-1502 CVE-2026-6100 CVE-2026-4786 CVE-2026-5713 CVE-2026-3219 Upstream summary: A new prerelease of Python 3.15 with fixes to several CVEs. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 9 — rapidjson — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — rapidjson — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:5640 Related CVEs: CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2026-21968 CVE-2025-53040 CVE-2025-53042  +12 more Upstream summary: MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) and […]

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How to Set Up an OpenVPN Server on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up an OpenVPN Server on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying set up an openvpn server both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up an OpenVPN Server on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Common Problems 115938

Ubuntu 26.04 LTS – netplan apply fails with YAML parser error – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 18 May 2026 Affected versions: Ubuntu 26.04 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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How to Install Packer Image Builder on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Packer Image Builder on FreeBSD 15

Introduction Deploying install packer image builder on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports […]

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FreeBSD 15 — openoffice.org — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openoffice.org — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice.org — Multiple vulnerabilities Related CVEs: CVE-2006-4339 CVE-2008-2237 CVE-2008-2238 CVE-2009-0217 CVE-2009-2493 CVE-2009-2949 CVE-2009-2950 CVE-2009-3301  +1 more Upstream summary: OpenOffice.org Security Team reports: Fixed in OpenOffice.org 3.3 CVE-2010-2935 / CVE-2010-2936 : […]

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FreeBSD 15 — dovecot-managesieve — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — dovecot-managesieve — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dovecot-managesieve — Script Name Directory Traversal Vulnerability Related CVEs: CVE-2008-5301 Upstream summary: Secunia reports: The security issue is caused due to an input validation error when processing script names. This […]

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Windows Server 2025 — KB5073455 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5073455 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5073455 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20876 CVE-2026-20962 CVE-2026-21265 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20811  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Microsoft Graphics Component allows […]

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FreeBSD 15 — samba32-devel — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — samba32-devel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: samba — potential leakage of arbitrary memory contents Related CVEs: CVE-2008-4314 Upstream summary: Samba Team reports: Samba 3.0.29 and beyond contain a change to deal with gcc 4 optimizations. Part […]

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