Security Hardening

Windows Server 2019 — KB5048699 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5048699 — 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 KB5048699 • MSRC update-guide entry Related CVEs: CVE-2024-49105 CVE-2024-49122 CVE-2024-49124 CVE-2024-49126 CVE-2024-49112 CVE-2024-49118 CVE-2024-49127 CVE-2024-49120  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — ruby23-base — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby23-base — multiple vulnerabilities (20 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-2017-0903 CVE-2017-0898 CVE-2017-10784 CVE-2017-0899 CVE-2017-0900 CVE-2017-0901 CVE-2017-0902 CVE-2017-17405  +12 more Upstream summary: pkgsrc audit-packages flagged ruby23-base<2.3.6 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-0903 Table of contents Symptom & Impact Environment […]

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

Alpine Linux 3.19 — patchwork — 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 2.0.1-r1 📖 ~4 min read  •  Source: Alpine secdb entry — patchwork 2.0.1-r1 Related CVEs: CVE-2019-13122 Upstream summary: Alpine community repository for vv3.19 ships patchwork 2.0.1-r1 which addresses CVE-2019-13122. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — libmysofa1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libmysofa1 — 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 security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3756 CVE-2019-10672 CVE-2019-16092 CVE-2019-16093 CVE-2019-16091 CVE-2019-16094 CVE-2019-16095 CVE-2019-20063  +7 more Upstream summary: libmysofa is vulnerable to Heap-based Buffer Overflow Table of contents Symptom & Impact […]

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Amazon Linux 2023 — assertj-core — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — assertj-core — vulnerability — 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 ALAS2023-2026-1448 Related CVEs: CVE-2026-24400 Upstream summary: AssertJ provides Fluent testing assertions for Java and the Java Virtual Machine (JVM). Starting in version 1.4.0 and prior to version 3.27.7, an XML […]

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Windows Server 2019 — KB5048703 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5048703 — 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 KB5048703 • MSRC update-guide entry Related CVEs: CVE-2024-49105 CVE-2024-49122 CVE-2024-49124 CVE-2024-49126 CVE-2024-49112 CVE-2024-49118 CVE-2024-49127 CVE-2024-49084  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — ruby24-base — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby24-base — multiple vulnerabilities (20 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-2019-8324 CVE-2017-0898 CVE-2017-10784 CVE-2017-0899 CVE-2017-0900 CVE-2017-0901 CVE-2017-0902 CVE-2017-17790  +12 more Upstream summary: pkgsrc audit-packages flagged ruby24-base<2.4.5nb1 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-8324 Table of contents Symptom & Impact Environment […]

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

Alpine Linux 3.19 — pcmanfm — 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 1.2.5-r1 📖 ~4 min read  •  Source: Alpine secdb entry — pcmanfm 1.2.5-r1 Related CVEs: CVE-2017-8934 Upstream summary: Alpine community repository for vv3.19 ships pcmanfm 1.2.5-r1 which addresses CVE-2017-8934. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — log4j — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — log4j — multiple vulnerabilities (12 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-2021:1577-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-44228 CVE-2019-17571 CVE-2021-45105 CVE-2021-45046 CVE-2026-34477 CVE-2026-34479 CVE-2026-34480 CVE-2026-34481  +4 more Upstream summary: Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI […]

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