Security Hardening

Windows Server 2022 — KB5065468 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5065468 — 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 KB5065468 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-53799 CVE-2025-53797 CVE-2025-53798 CVE-2025-54095 CVE-2025-54096 CVE-2025-54097  +12 more Affected components: Windows Server 2022 Microsoft summary: Improper authentication in Windows NTLM allows an authorized […]

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Oracle Linux 10 — kea — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — kea — vulnerability — patch and remediation guide (ELSA-2025-21038)

  • January 1, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 January 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21038 Related CVEs: CVE-2025-11232 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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SLES 15 — libvmtools0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libvmtools0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • January 1, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 January 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:17428 (see also SUSE bugzilla) Related CVEs: CVE-2025-41244 CVE-2023-34058 CVE-2023-34059 CVE-2023-20900 CVE-2022-31676 CVE-2025-22247 CVE-2023-20867 CVE-2015-5191 Upstream summary: VMware Aria Operations and VMware Tools contain a local privilege escalation vulnerability. A malicious local […]

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SLES 16 — libpcre1 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libpcre1 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • January 1, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 1 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-1283 CVE-2017-6004 CVE-2014-8964 CVE-2015-3217 CVE-2017-7186 CVE-2017-7244 CVE-2017-7245 CVE-2017-7246  +1 more Upstream summary: The pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'\){97)?J)?J)(?'R'(?'R'\){99|(:(?|(?'R')(\k'R')|((?'R')))H'R'R)(H'R))))))/ pattern and […]

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Red Hat Enterprise Linux 10 — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — brotli — vulnerability — patch and remediation guide

  • January 1, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:0845 Related CVEs: CVE-2025-6176 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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FreeBSD 15 — ImageMagick7-nox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ImageMagick7-nox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 1, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 1 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ImageMagick7 — multiple vulnerabilities Related CVEs: CVE-2016-3714 CVE-2016-3715 CVE-2016-3716 CVE-2016-3717 CVE-2016-3718 CVE-2016-8862 CVE-2016-8866 CVE-2016-9298  +12 more Upstream summary: CVE reports: Several vulnerabilities have been discovered in ImageMagick: CVE-2021-20313: A flaw […]

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FreeBSD 15 — linux-c6-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — linux-c6-flashplugin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 1, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 1 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: flash — multiple vulnerabilities Related CVEs: CVE-2014-0547 CVE-2014-0548 CVE-2014-0549 CVE-2014-0550 CVE-2014-0551 CVE-2014-0552 CVE-2014-0553 CVE-2014-0554  +12 more Upstream summary: Adobe reports: These updates resolve type confusion vulnerabilities that could lead to […]

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FreeBSD 15 — linux-vieb — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — linux-vieb — security advisory — patch and remediation guide

  • December 31, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vieb — Remote Code Execution via Visiting Untrusted URLs Upstream summary: Zhengyu Liu, Jianjia Yu, Jelmer van Arnhem report: We discovered a remote code execution (RCE) vulnerability in the latest […]

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FreeBSD 15 — pgbouncer — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — pgbouncer — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • December 31, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pgbouncer — failed auth_query lookup leads to connection as auth_user Related CVEs: CVE-2015-4054 CVE-2015-6817 Upstream summary: PgBouncer reports: New auth_user functionality introduced in 1.6 allows login as auth_user when client […]

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FreeBSD 15 — py38-notebook — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py38-notebook — security advisory — patch and remediation guide

  • December 31, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jupyter notebook — open redirect vulnerability Upstream summary: Jupyter reports: 6.1.5 is a security release, fixing one vulnerability: Fix open redirect vulnerability GHSA-c7vm-f5p4-8fqh (CVE to be assigned) Table of contents […]

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