Fix Prevention

Ubuntu 24.04 — libndp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libndp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 December 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6830-1 Related CVEs: CVE-2024-5564 Upstream summary: It was discovered that libndp incorrectly handled certain malformed IPv6 router advertisement packets. A local attacker could use this issue to cause NetworkManager to […]

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Ubuntu 16.04 — vlc — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — vlc — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 December 2024 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7243-1 Related CVEs: CVE-2024-46461 CVE-2023-47359 CVE-2023-47360 CVE-2019-19721 CVE-2020-13428 CVE-2021-25801 CVE-2021-25802 CVE-2021-25803  +4 more Upstream summary: It was discovered that VLC incorrectly handled memory when reading an MMS stream. An attacker […]

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Ubuntu 24.04 — micropython — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — micropython — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 December 2024 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7472-1 Related CVEs: CVE-2021-42553 CVE-2024-8946 CVE-2024-8947 Upstream summary: Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled the length of a buffer in mp_vfs_umount, leading to a heap-based buffer […]

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Debian 12 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 December 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5680 CVE-2007-3641 CVE-2007-3644 CVE-2007-3645 CVE-2010-4666 CVE-2011-1777 CVE-2011-1778 CVE-2011-1779  +12 more Upstream summary: The libarchive library in FreeBSD 6-STABLE after 2006-09-05 and before 2006-11-08 allows context-dependent attackers to cause […]

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Alpine Linux 3.19 — freeimage — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — freeimage — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.18.0-r2 📖 ~4 min read  •  Source: Alpine secdb entry — freeimage 3.18.0-r2 Related CVEs: CVE-2019-12211 CVE-2019-12213 Upstream summary: Alpine community repository for vv3.19 ships freeimage 3.18.0-r2 which addresses CVE-2019-12211. Table of contents Symptom & Impact […]

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How to Use Windows Package Manager (winget) on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Use Windows Package Manager (winget) on Windows Server 2025 (WINDOWS-SERVER-2025)

How to Use winget Package Manager on Windows Server 2025 winget — the Windows Package Manager — is Microsoft’s officially supported command-line tool for discovering, installing, upgrading, and removing software on Windows. Introduced in Windows 10 and expanded significantly in Windows 11 and Server 2025, winget leverages a curated community manifest repository on GitHub and […]

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Common Problems 111207

Windows Server 2025 — IIS app pool identity account locked out causing 503 Service Unavailable — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 4 December 2024 Affected versions: Windows Server 2025 📖 ~2 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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openSUSE Leap 15.5 — exim — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — exim — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2023:0293-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-42115 CVE-2022-3559 CVE-2023-42117 CVE-2023-42116 CVE-2024-39929 CVE-2023-51766 CVE-2023-42119 CVE-2023-42114 Upstream summary: Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to […]

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Common Problems 120014

Debian 12 Repository 404 Not Found for Enabled Mirror

🟡 Medium   ⏱ 5–30 min  Last verified: 3 December 2024 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 10.0 — postgresql9-postgis2 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — postgresql9-postgis2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 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 postgresql9{0,1,2,3,4}-postgis2<2.1.3 for vulnerability class 'security-bypass'. Reference: http://postgis.net/2014/05/19/postgis-2.0.6_and_2.1.3 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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