Security Hardening

Windows Server 2025 — KB5068906 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5068906 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5068906 • MSRC update-guide entry Related CVEs: CVE-2025-60724 CVE-2025-64678 CVE-2025-59513 CVE-2025-60703 CVE-2025-60704 CVE-2025-60705 CVE-2025-60709 CVE-2025-60719  +6 more Affected components: Windows Server 2025 Microsoft summary: Heap-based buffer overflow in Microsoft Graphics Component allows […]

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Debian 13 — trousers — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — trousers — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 19, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-0698 CVE-2020-24330 CVE-2020-24331 CVE-2020-24332 Upstream summary: tcsd in TrouSerS before 0.3.10 allows remote attackers to cause a denial of service (daemon crash) via a crafted type_offset value in […]

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Debian 13 — chkrootkit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — chkrootkit — vulnerability — patch and remediation guide

  • September 19, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0476 Upstream summary: The slapper function in chkrootkit before 0.50 does not properly quote file paths, which allows local users to execute arbitrary code via a Trojan horse […]

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openSUSE Tumbleweed — opencc — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — opencc — vulnerability — patch and remediation guide

  • September 19, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:21553-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-15536 Upstream summary: A weakness has been identified in BYVoid OpenCC up to 1.1.9. This vulnerability affects the function opencc::MaxMatchSegmentation of the file src/MaxMatchSegmentation.cpp. This […]

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How to Install HAProxy on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install HAProxy on Debian 13

  • September 19, 2025
  • Linux
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Introduction How to Install HAProxy on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. This tutorial […]

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NetBSD 9.4 — libsodium — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libsodium — vulnerability — patch and remediation guide

  • September 19, 2025
  • 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-2025-69277 Upstream summary: pkgsrc audit-packages flagged libsodium<1.0.21 for vulnerability class 'invalid-validation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-69277 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 13 — cron — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cron — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • September 19, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2607 CVE-2017-9525 CVE-2019-9704 CVE-2019-9705 CVE-2019-9706 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users […]

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Debian 13 — cscope — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cscope — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • September 19, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0996 CVE-2004-2541 CVE-2006-4262 CVE-2009-0148 CVE-2009-1577 Upstream summary: main.c in cscope 15-4 and 15-5 creates temporary files with predictable filenames, which allows local users to overwrite arbitrary files via […]

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Windows Server 2022 — KB5065428 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5065428 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5065428 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-55236 CVE-2025-53799 CVE-2025-53800 CVE-2025-55224 CVE-2025-48807 CVE-2025-49734  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Debian 13 — musescore3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — musescore3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 19, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-26923 CVE-2023-44428 CVE-2024-44866 Upstream summary: Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. If attacker can additional information, attacker […]

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