Security Hardening

Windows Server 2019 — KB5040490 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5040490 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5040490 • MSRC update-guide entry Related CVEs: CVE-2024-38077 CVE-2024-38191 CVE-2024-30081 CVE-2024-35270 CVE-2024-38025 CVE-2024-38051 CVE-2024-38054 CVE-2024-38055  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-11945 CVE-2009-0801 CVE-2018-19131 CVE-2018-19132 CVE-2019-13345 CVE-2019-12525 CVE-2019-12527 CVE-2019-12523  +12 more Upstream summary: pkgsrc audit-packages flagged squid<2.4.4 for vulnerability class 'remote-user-shell'. Reference: http://www.squid-cache.org/Advisories/SQUID-2002_1.txt Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — py3-psutil — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — py3-psutil — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 5.6.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-psutil 5.6.7-r0 Related CVEs: CVE-2019-18874 Upstream summary: Alpine community repository for vv3.19 ships py3-psutil 5.6.7-r0 which addresses CVE-2019-18874. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — libsass — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libsass — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1791-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-11499 CVE-2018-19827 CVE-2022-26592 CVE-2022-43357 CVE-2022-43358 CVE-2018-19797 CVE-2018-19837 CVE-2018-19838  +7 more Upstream summary: A use-after-free vulnerability exists in handle_error() in sass_context.cpp in LibSass 3.4.x and 3.5.x […]

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AlmaLinux 8 — cldr-emoji-annotation — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cldr-emoji-annotation — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4266 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2023 — glycin — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — glycin — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-1193 Related CVEs: CVE-2025-58160 Upstream summary: tracing is a framework for instrumenting Rust programs to collect structured, event-based diagnostic information. Prior to version 0.3.20, tracing-subscriber was vulnerable to ANSI escape […]

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Windows Server 2019 — KB5040497 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5040497 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5040497 • MSRC update-guide entry Related CVEs: CVE-2024-38060 CVE-2024-38077 CVE-2024-38074 CVE-2024-38191 CVE-2024-30081 CVE-2024-35270 CVE-2024-38025 CVE-2024-38034  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — squidGuard — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — squidGuard — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 24, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-3826 CVE-2015-8936 CVE-2009-3700 Upstream summary: pkgsrc audit-packages flagged squidGuard-[0-9]* for vulnerability class 'remote-security-bypass'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3826 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Alpine Linux 3.19 — py3-pygments — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — py3-pygments — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.7.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-pygments 2.7.4-r0 Related CVEs: CVE-2021-20270 Upstream summary: Alpine main repository for vv3.19 ships py3-pygments 2.7.4-r0 which addresses CVE-2021-20270. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — libsndfile1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libsndfile1 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1166-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3246 CVE-2025-52194 CVE-2026-37555 CVE-2024-50612 CVE-2022-33065 CVE-2018-13139 CVE-2025-56226 CVE-2021-4156  +12 more Upstream summary: A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.30 allows attackers to […]

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