Security Hardening

Windows Server 2019 — KB5033422 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5033422 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5033422 • MSRC update-guide entry Related CVEs: CVE-2023-35641 CVE-2023-35630 CVE-2023-20588 CVE-2023-36012 CVE-2023-36004 CVE-2023-36005 CVE-2023-36006 CVE-2023-35639  +2 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — tightvnc — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — tightvnc — multiple vulnerabilities (6 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-2019-8287 CVE-2019-15678 CVE-2019-15679 CVE-2023-27830 CVE-2022-23967 CVE-2019-15680 Upstream summary: pkgsrc audit-packages flagged tightvnc-[0-9]* for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-8287 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Alpine Linux 3.19 — traceroute — 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 2.1.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — traceroute 2.1.3-r0 Related CVEs: CVE-2023-46316 Upstream summary: Alpine community repository for vv3.19 ships traceroute 2.1.3-r0 which addresses CVE-2023-46316. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — haveged — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — haveged — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:2008-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-41054 Upstream summary: In `src/havegecmd.c`, the `socket_handler` function performs a credential check on the abstract UNIX socket (`/sys/entropy/haveged`). However, while it detects if the connecting […]

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Amazon Linux 2023 — pmix — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — pmix — 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 ALAS2023-2023-363 Related CVEs: CVE-2023-41915 Upstream summary: OpenPMIx PMIx before 4.2.6 and 5.0.x before 5.0.1 allows attackers to obtain ownership of arbitrary files via a race condition during execution of library […]

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Windows Server 2019 — KB5033424 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5033424 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5033424 • MSRC update-guide entry Related CVEs: CVE-2023-35641 CVE-2023-35628 CVE-2023-35630 CVE-2023-21740 CVE-2023-20588 CVE-2023-36012 CVE-2023-36004 CVE-2023-36005  +5 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — tinc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — tinc — multiple vulnerabilities (3 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-2018-16737 CVE-2018-16738 CVE-2018-16758 Upstream summary: pkgsrc audit-packages flagged tinc<1.0.21 for vulnerability class 'remote-system-access'. Reference: http://secunia.com/advisories/53108/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

Alpine Linux 3.19 — transmission — 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 3.00-r0 📖 ~4 min read  •  Source: Alpine secdb entry — transmission 3.00-r0 Related CVEs: CVE-2018-10756 Upstream summary: Alpine community repository for vv3.19 ships transmission 3.00-r0 which addresses CVE-2018-10756. Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — kernel-macros — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kernel-macros — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:19666 (see also SUSE bugzilla) Related CVEs: CVE-2026-46333 CVE-2026-31694 CVE-2026-31697 CVE-2026-31698 CVE-2026-31699 CVE-2026-31700 CVE-2026-31706 CVE-2026-31707  +12 more Upstream summary: In the Linux kernel, the following vulnerability has been resolved: ptrace: slightly saner […]

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