Security Hardening

Windows Server 2025 — KB5065510 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5065510 — 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 KB5065510 • 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 2025 Microsoft summary: Improper authentication in Windows NTLM allows an authorized […]

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

FreeBSD 15 — graphite — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 9, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: graphite2 — out-of-bounds write with malicious font Related CVEs: CVE-2016-1521 CVE-2016-1522 CVE-2016-1523 CVE-2016-1526 CVE-2016-1969 CVE-2016-1977 CVE-2016-2790 CVE-2016-2791  +12 more Upstream summary: Mozilla Foundation reports: An out-of-bounds write in the Graphite […]

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FreeBSD 15 — ko-helvis — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — ko-helvis — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • April 9, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: helvis — arbitrary file deletion problem Related CVEs: CVE-2005-0118 CVE-2005-0119 CVE-2005-0120 Upstream summary: The setuid root elvprsv utility, used to preserve recovery helvis files, can be abused by local users […]

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Amazon Linux 2023 — postgresql17 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — postgresql17 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • April 9, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1457 Related CVEs: CVE-2026-2003 CVE-2026-2004 CVE-2026-2005 CVE-2026-2006 CVE-2012-0868 CVE-2017-7484 CVE-2019-10130 CVE-2024-21096  +6 more Upstream summary: Improper validation of type "oidvector" in PostgreSQL allows a database user to disclose a few […]

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FreeBSD 15 — gstreamer1-plugins-ogg — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — gstreamer1-plugins-ogg — vulnerability — patch and remediation guide

  • April 9, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gstreamer1-plugins-ogg — Out-of-bounds write in Ogg demuxer Related CVEs: CVE-2024-47615 Upstream summary: The GStreamer Security Center reports: An out-of-bounds write in the Ogg demuxer that can cause crashes for certain […]

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FreeBSD 15 — re2c — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — re2c — vulnerability — patch and remediation guide

  • April 9, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: re2c — uncontrolled recursion Related CVEs: CVE-2018-21232 Upstream summary: re2c reports: re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — ruby-httparty — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-httparty — vulnerability — patch and remediation guide

  • April 9, 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-2025-68696 Upstream summary: pkgsrc audit-packages flagged ruby{32,33,34}-httparty-[0-9]* for vulnerability class 'server-side-request-forgery'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-68696 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 15 — py38-httpx — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py38-httpx — vulnerability — patch and remediation guide

  • April 9, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-httpx — input validation vulnerability Related CVEs: CVE-2021-41945 Upstream summary: lebr0nli reports: Encode OSS httpx <=1.0.0.beta0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. […]

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FreeBSD 15 — py38-viewvc-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py38-viewvc-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • April 9, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: devel/viewvc-devel is vulnerable to cross-site scripting Related CVEs: CVE-2023-22456 CVE-2023-22464 Upstream summary: C. Michael Pilato reports: security fix: escape revision view copy paths (#311) [CVE-2023-22464] security fix: escape revision view […]

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FreeBSD 15 — nexus2-oss — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — nexus2-oss — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • April 9, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nexus2-oss — Apache ActiveMQ JMX vulnerability Related CVEs: CVE-2019-15893 CVE-2019-16530 CVE-2019-5475 CVE-2020-13920 CVE-2020-15012 Upstream summary: Sonatype reports: CVE-2020-13920: Apache ActiveMQ JMX is vulnerable to a MITM attack Table of contents […]

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