Security Hardening

Windows Server 2019 — KB5035857 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5035857 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5035857 • MSRC update-guide entry Related CVEs: CVE-2024-21407 CVE-2024-21408 CVE-2024-21429 CVE-2024-21430 CVE-2024-21438 CVE-2024-21439 CVE-2024-21441 CVE-2024-21443  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — suse_fontconfig — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_fontconfig — vulnerability — patch and remediation guide

  • May 24, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-5384 Upstream summary: pkgsrc audit-packages flagged suse{,32}_fontconfig-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5384 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux 3.19 — recutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — recutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — recutils 1.9-r0 Related CVEs: CVE-2021-46019 CVE-2021-46022 Upstream summary: Alpine community repository for vv3.19 ships recutils 1.9-r0 which addresses CVE-2021-46019. Table of contents Symptom & Impact […]

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openSUSE Tumbleweed — postgresql10 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — postgresql10 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:1709-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1115 CVE-2018-16850 CVE-2018-10915 CVE-2018-10925 CVE-2020-14349 CVE-2020-14350 CVE-2017-15098 CVE-2017-15099  +7 more Upstream summary: postgresql before versions 10.4, 9.6.9 is vulnerable in the adminpack extension, the pg_catalog.pg_logfile_rotate() […]

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AlmaLinux 8 — google-noto-emoji-fonts — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — google-noto-emoji-fonts — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:4229 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2023 — gnuplot — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — gnuplot — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2025-960 Related CVEs: CVE-2025-3359 CVE-2021-44917 Upstream summary: A flaw was found in GNUPlot. A segmentation fault via IO_str_init_static_internal may jeopardize the environment. (CVE-2025-3359) Table of contents Symptom & Impact Environment […]

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Windows Server 2019 — KB5035858 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5035858 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5035858 • MSRC update-guide entry Related CVEs: CVE-2024-21407 CVE-2024-21408 CVE-2024-21429 CVE-2024-21430 CVE-2024-21438 CVE-2024-21439 CVE-2024-21441 CVE-2024-21444  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — suse_freetype2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_freetype2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 24, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2009-0946 CVE-2011-0226 CVE-2011-3256 CVE-2011-3439 CVE-2012-5668 CVE-2012-5669 CVE-2020-15999 Upstream summary: pkgsrc audit-packages flagged suse{,32}_freetype2<10.0nb3 for vulnerability class 'remote-code-execution'. Reference: http://lists.suse.com/archive/suse-security-announce/2006-Aug/0002.html Table of contents Symptom & Impact Environment & Reproduction Root […]

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Alpine Linux 3.19 — rekor — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — rekor — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.1.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — rekor 1.1.1-r0 Related CVEs: CVE-2023-30551 Upstream summary: Alpine community repository for vv3.19 ships rekor 1.1.1-r0 which addresses CVE-2023-30551. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — pound — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — pound — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2016-10711 CVE-2018-21245 Upstream summary: Apsis Pound before 2.8a allows request smuggling via crafted headers, a different vulnerability than CVE-2005-3751. Table of contents Symptom & Impact […]

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