Security Hardening

NetBSD 9.4 — libtasn1 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libtasn1 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

  • May 29, 2025
  • 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-2012-1569 CVE-2014-3468 CVE-2017-6891 CVE-2017-10790 CVE-2021-46848 CVE-2025-13151 CVE-2014-3467 CVE-2014-3469  +4 more Upstream summary: pkgsrc audit-packages flagged libtasn1<2.12 for vulnerability class 'local-system-compromise'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1569 Table of contents Symptom & Impact Environment […]

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Ubuntu 16.04 — uriparser — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — uriparser — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • May 29, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7356-1 Related CVEs: CVE-2024-34402 CVE-2024-34403 CVE-2021-46141 CVE-2021-46142 CVE-2018-19198 CVE-2018-19199 CVE-2018-19200 CVE-2018-20721 Upstream summary: It was discovered that uriparser did not correctly handle certain inputs, which could lead to an integer […]

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Rocky Linux 9 — opentelemetry-collector — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — opentelemetry-collector — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • May 29, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:4177 Related CVEs: CVE-2025-61726 CVE-2025-68121 CVE-2025-61729 CVE-2025-68156 Upstream summary: Collector with the supported components for a Rocky Enterprise Software Foundation build of OpenTelemetry Security Fix(es): * golang: net/url: Memory exhaustion […]

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How to Use Microsoft Graph API with PowerShell on Windows Server 2025 — step-by-step Windows Server 2025 tutorial on Progressive Robot

How to Use Microsoft Graph API with PowerShell on Windows Server 2025

How to Use Microsoft Graph API with PowerShell on Windows Server 2025 The Microsoft Graph API is the unified REST endpoint that gives you programmatic access to the entire Microsoft 365 ecosystem — Azure Active Directory (now Microsoft Entra ID), Exchange Online, SharePoint, Teams, Intune, and more — all through a single, consistent surface. On […]

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Windows Server 2022 — KB5058403 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5058403 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5058403 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-47955 CVE-2025-29959 CVE-2025-29960  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Alpine Linux 3.19 — py3-rencode — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — py3-rencode — vulnerability — patch and remediation guide

  • May 29, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.0.6-r7 📖 ~4 min read  •  Source: Alpine secdb entry — py3-rencode 1.0.6-r7 Related CVEs: CVE-2021-40839 Upstream summary: Alpine community repository for vv3.19 ships py3-rencode 1.0.6-r7 which addresses CVE-2021-40839. Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — cjson — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cjson — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 29, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7973-1 Related CVEs: CVE-2023-53154 CVE-2025-57052 CVE-2023-26819 CVE-2023-50471 CVE-2023-50472 CVE-2024-31755 Upstream summary: It was discovered that cJSON incorrectly handled parsing large numbers. An attacker could possibly use this issue to cause […]

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Ubuntu 24.04 — fort-validator — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — fort-validator — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 29, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 May 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7813-1 Related CVEs: CVE-2024-45237 CVE-2024-45234 CVE-2024-48943 CVE-2024-45236 CVE-2024-45238 CVE-2024-45239 CVE-2024-45235 Upstream summary: Niklas Vogel and Haya Schulmann discovered that FORT Validator did not perform proper input validation when parsing certain […]

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Alpine Linux 3.19 — mingw-w64-binutils — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — mingw-w64-binutils — vulnerability — patch and remediation guide

  • May 29, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.36-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mingw-w64-binutils 2.36-r0 Related CVEs: CVE-2020-35448 Upstream summary: Alpine community repository for vv3.19 ships mingw-w64-binutils 2.36-r0 which addresses CVE-2020-35448. Table of contents Symptom & Impact Environment […]

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How to Configure squid Proxy on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure squid Proxy on RHEL 10

  • May 29, 2025
  • Linux
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Introduction This tutorial demonstrates how to Configure squid Proxy on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]

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