Security Hardening

FreeBSD 15 — php55-gd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php55-gd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2013-7456 CVE-2015-4643 CVE-2015-4644 CVE-2015-8874 CVE-2015-8879 CVE-2016-3074 CVE-2016-4343 CVE-2016-5093  +12 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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Debian 13 — freeimage — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — freeimage — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0852 CVE-2015-3885 CVE-2016-5684 CVE-2019-12211 CVE-2019-12212 CVE-2019-12213 CVE-2019-12214 CVE-2020-21426  +12 more Upstream summary: Multiple integer underflows in PluginPCX.cpp in FreeImage 3.17.0 and earlier allow remote attackers to cause a […]

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How to Install FreeBSD 15 on a Server — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install FreeBSD 15 on a Server

Introduction Deploying install freebsd 15 on a server 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 […]

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Common Problems 116130

Ubuntu 26.04 LTS GRUB Rescue Prompt After Bootloader Update

🔴 Critical   ⏱ 5–30 min  Last verified: 23 July 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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Common Problems 116112

Ubuntu 26.04 LTS – CIFS mount fails with permission denied at boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 July 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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FreeBSD 15 — openfire — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openfire — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Openfire administration console authentication bypass Related CVEs: CVE-2008-1728 CVE-2008-6508 CVE-2008-6509 CVE-2008-6510 CVE-2008-6511 CVE-2009-0496 CVE-2009-0497 CVE-2009-1595  +2 more Upstream summary: [email protected] reports: Openfire's administrative console, a web-based application, was found to […]

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AlmaLinux 9 — dotnet9.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — dotnet9.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:4456 Related CVEs: CVE-2026-26127 CVE-2026-26130 CVE-2025-55247 CVE-2025-55248 CVE-2025-55315 CVE-2025-30399 CVE-2025-26646 CVE-2025-24070  +2 more Upstream summary: .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new […]

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Windows Server 2025 — KB5075971 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5075971 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5075971 • MSRC update-guide entry Related CVEs: CVE-2026-21236 CVE-2026-21533 CVE-2026-21513 CVE-2026-21510 CVE-2026-21508 CVE-2026-21253 CVE-2026-21239 CVE-2026-21238  +4 more Affected components: Windows Server 2025 Microsoft summary: Heap-based buffer overflow in Windows Ancillary Function Driver […]

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FreeBSD 15 — picasm — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — picasm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: picasm — buffer overflow vulnerability Related CVEs: CVE-2005-1679 Upstream summary: Shaun Colley reports: When generating error and warning messages, picasm copies strings into fixed length buffers without bounds checking. If […]

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