Security Hardening

Windows Server 2016 — KB5063950 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5063950 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5063950 • 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-2025-50153 CVE-2025-50154  +12 more Affected components: Windows Server 2016 Microsoft summary: Use after free in Windows Message Queuing allows […]

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Oracle Linux 9 — php:8.3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — php:8.3 — vulnerability — patch and remediation guide (ELSA-2025-7418)

  • January 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7418 Related CVEs: CVE-2025-1219 CVE-2025-1861 CVE-2024-11235 CVE-2025-1217 CVE-2025-1734 CVE-2025-1736 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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CentOS Stream 10 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 January 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:7680 Related CVEs: CVE-2006-10002 CVE-2006-10003 Upstream summary: This module provides ways to parse XML documents. It is built on top of XML::Parser::Expat, which is a lower level interface to James Clark's […]

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FreeBSD 15 — mariadb101-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — mariadb101-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 5, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 5 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Server — Multiple vulerabilities Related CVEs: CVE-2015-3194 CVE-2016-0639 CVE-2016-0640 CVE-2016-0641 CVE-2016-0642 CVE-2016-0643 CVE-2016-0644 CVE-2016-0646  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches […]

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Debian 13 — gimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 5, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 5 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-3404 CVE-2006-4519 CVE-2007-2356 CVE-2007-2949 CVE-2007-3126 CVE-2007-3741 CVE-2009-1570 CVE-2009-3909  +12 more Upstream summary: Buffer overflow in the xcf_load_vector function in app/xcf/xcf-load.c for gimp before 2.2.12 allows user-assisted attackers to […]

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

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

  • January 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: duo — Two-factor authentication bypass Upstream summary: The duo security team reports: An untrusted user may be able to set the http_proxy variable to an invalid address. If this happens, […]

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FreeBSD 15 — php56-odbc — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php56-odbc — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • January 4, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 4 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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NetBSD 10.0 — ruby-rails80 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — ruby-rails80 — vulnerability — patch and remediation guide

  • January 4, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-55193 Upstream summary: pkgsrc audit-packages flagged ruby{31,32,33,34}-rails80<8.0.2.1 for vulnerability class 'improper-output-neutralization'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-55193 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 15 — py39-sqlalchemy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py39-sqlalchemy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 4, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py39-sqlalchemy12 — multiple SQL Injection vulnerabilities Related CVEs: CVE-2019-7164 CVE-2019-7548 Upstream summary: 21k reports: SQLAlchemy through 1.2.17 and 1.3.x through 1.3.0b2 allows SQL Injection via the order_by parameter. nosecurity reports: […]

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