Package Management

Windows Server 2025 — KB5055523 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5055523 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5055523 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27480 CVE-2025-27482 CVE-2025-27491 CVE-2025-26664 CVE-2025-26665  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows LDAP – Lightweight […]

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FreeBSD 15 — nbsmtp — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — nbsmtp — security advisory — patch and remediation guide

  • May 23, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nbsmtp — format string vulnerability Upstream summary: When nbsmtp is executed in debug mode, server messages will be printed to stdout and logged via syslog. Syslog is used insecurely and […]

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FreeBSD 15 — sircd — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — sircd — security advisory — patch and remediation guide

  • May 23, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sircd — remote reverse DNS buffer overflow Upstream summary: Secunia reports: A vulnerability in sircd can be exploited by a malicious person to compromise a vulnerable system. The vulnerability is […]

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Common Problems 115984

Ubuntu 26.04 LTS – Secure Boot blocks DKMS module loading – Fix & Prevention

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Windows Server 2025 — KB5063947 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5063947 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5063947 • MSRC update-guide entry Related CVEs: CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762 CVE-2025-50154 CVE-2025-50156  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows Message Queuing allows […]

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FreeBSD 15 — postgresql16-plperl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — postgresql16-plperl — vulnerability — patch and remediation guide

  • May 23, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL — PL/Perl environment variable changes execute arbitrary code Related CVEs: CVE-2024-10979 Upstream summary: PostgreSQL project reports: Incorrect control of environment variables in PostgreSQL PL/Perl allows an unprivileged database user […]

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Common Problems 124023

Oracle Linux 10 – NetworkManager connection profile ignored after reboot – Fix & Prevention

  • May 23, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 May 2026 Affected versions: Oracle Linux 10 📖 ~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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Windows Server 2025 — KB5066793 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5066793 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5066793 • MSRC update-guide entry Related CVEs: CVE-2025-49708 CVE-2016-9535 CVE-2025-2884 CVE-2025-64679 CVE-2025-64680 CVE-2025-62208 CVE-2025-62209 CVE-2025-48004  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Microsoft Graphics Component allows […]

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FreeBSD 12 — thunderbird-esr — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — thunderbird-esr — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • May 23, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 23 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Mozilla — Memory safety bugs Related CVEs: CVE-2025-8027 CVE-2025-8028 CVE-2025-8029 CVE-2025-8030 CVE-2025-8031 CVE-2025-8032 CVE-2025-8033 CVE-2025-8034  +7 more Upstream summary: Mozilla reports: Memory safety bugs present in Firefox ESR, Firefox ESR, […]

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