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Windows Server 2022 — KB5022921 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5022921 — 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 KB5022921 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2022 Windows Server 2022 (Server Core installation) Table of contents Symptom […]

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openSUSE Tumbleweed — apache2-mod_nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache2-mod_nss — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 23, 2026
  • 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-2013:1926-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-4566 CVE-2015-5244 CVE-2016-3099 Upstream summary: mod_nss 1.0.8 and earlier, when NSSVerifyClient is set to none for the server/vhost context, does not enforce the NSSVerifyClient setting […]

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NetBSD 9.4 — postgresql90-datatypes — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql90-datatypes — vulnerability — patch and remediation guide

  • May 23, 2026
  • 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-2010-4015 Upstream summary: pkgsrc audit-packages flagged postgresql90-datatypes>=9.0<9.0.3 for vulnerability class 'multiple-vulnerabilities'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4015 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux edge — guacamole-server — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — guacamole-server — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.6.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — guacamole-server 1.6.0-r0 Related CVEs: CVE-2024-35164 Upstream summary: Alpine community repository for vedge ships guacamole-server 1.6.0-r0 which addresses CVE-2024-35164. Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5023286 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5023286 — security update — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5023286 • MSRC update-guide entry Related CVEs: CVE-2023-21808 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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openSUSE Tumbleweed — apache2-mod_perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache2-mod_perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 23, 2026
  • 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-SR:2007:008 (see also SUSE bugzilla) Related CVEs: CVE-2007-1349 CVE-2011-2767 CVE-2013-1667 Upstream summary: PerlRun.pm in Apache mod_perl before 1.30, and RegistryCooker.pm in mod_perl 2.x, does not properly escape PATH_INFO before use in a […]

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NetBSD 9.4 — postgresql90-pgcrypto — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql90-pgcrypto — vulnerability — patch and remediation guide

  • May 23, 2026
  • 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 Upstream summary: pkgsrc audit-packages flagged postgresql90-pgcrypto<9.0.5 for vulnerability class 'weak-authentication'. Reference: http://www.openwall.com/lists/announce/2011/06/21/1 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Alpine Linux edge — guix — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — guix — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.4.0-r5 📖 ~4 min read  •  Source: Alpine secdb entry — guix 1.4.0-r5 Related CVEs: CVE-2024-27297 Upstream summary: Alpine community repository for vedge ships guix 1.4.0-r5 which addresses CVE-2024-27297. Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5023288 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5023288 — security update — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5023288 • MSRC update-guide entry Related CVEs: CVE-2023-21808 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

openSUSE Tumbleweed — archivemail — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2006-4245 Upstream summary: archivemail 0.6.2 uses temporary files insecurely leading to a possible race condition. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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