Security Hardening

NetBSD 9.4 — subversion-base — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — subversion-base — multiple vulnerabilities (13 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-2009-2411 CVE-2017-9800 CVE-2022-24070 CVE-2007-3846 CVE-2014-3522 CVE-2014-3528 CVE-2010-4644 CVE-2013-2112  +5 more Upstream summary: pkgsrc audit-packages flagged subversion-base<1.6.4 for vulnerability class 'remote-user-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2411 Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — py3-yaml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — py3-yaml — multiple vulnerabilities (2 CVEs) — 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 5.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-yaml 5.4-r0 Related CVEs: CVE-2020-14343 CVE-2020-1747 Upstream summary: Alpine main repository for vv3.19 ships py3-yaml 5.4-r0 which addresses CVE-2020-14343. Table of contents Symptom & Impact […]

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AlmaLinux 8 — fcoe-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — fcoe-utils — 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-2021:4445 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 — libblockdev — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libblockdev — 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 ALAS2023-2025-1020 Related CVEs: CVE-2025-6019 Upstream summary: LPE from allow_active to root in libblockdev via udisks (CVE-2025-6019) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Windows Server 2019 — KB5039266 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5039266 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5039266 • MSRC update-guide entry Related CVEs: CVE-2024-30080 CVE-2024-30077 CVE-2024-30078 CVE-2024-30082 CVE-2024-35250 CVE-2024-30063 CVE-2024-30084 CVE-2024-30087  +5 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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

NetBSD 9.4 — sudo — 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-2004-1051 CVE-2005-1993 CVE-2005-2959 CVE-2010-0426 CVE-2019-14287 CVE-2021-23240 CVE-2021-3156 CVE-2023-22809  +12 more Upstream summary: pkgsrc audit-packages flagged sudo<1.6.3p6 for vulnerability class 'local-root-shell'. Reference: http://www.openbsd.org/errata36.html#sudo Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — python3-tkinter — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — python3-tkinter — 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 3.6.8-r1 📖 ~4 min read  •  Source: Alpine secdb entry — python3-tkinter 3.6.8-r1 Related CVEs: CVE-2019-5010 Upstream summary: Alpine community repository for vv3.19 ships python3-tkinter 3.6.8-r1 which addresses CVE-2019-5010. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — npm14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — npm14 — 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-2020:0802-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8174 CVE-2021-22930 CVE-2021-22940 CVE-2021-37701 CVE-2021-37713 CVE-2021-39135 CVE-2020-11080 CVE-2020-7774  +12 more Upstream summary: napi_get_value_string_*() allows various kinds of memory corruption in node < 10.21.0, 12.18.0, and […]

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AlmaLinux 8 — filesystem — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — filesystem — 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-2021:4461 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 — perl-YAML-LibYAML — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — perl-YAML-LibYAML — 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 ALAS2023-2025-1036 Related CVEs: CVE-2025-40908 Upstream summary: YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified (CVE-2025-40908) Table of contents Symptom & Impact Environment & […]

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