Security Hardening

Ubuntu 22.04 — gst-plugins-good1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gst-plugins-good1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 28, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 July 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8131-1 Related CVEs: CVE-2026-3083 CVE-2026-3085 CVE-2025-47183 CVE-2025-47219 CVE-2024-47537 CVE-2024-47539 CVE-2024-47540 CVE-2024-47543  +12 more Upstream summary: It was discovered that GStreamer Good Plugins incorrectly handled certain X-QDM RTP payloads. A remote […]

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Red Hat Enterprise Linux 9 — gdk-pixbuf2 — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — gdk-pixbuf2 — vulnerability — patch and remediation guide

  • July 28, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19210 Related CVEs: CVE-2026-5201 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Set Up Node Exporter for Server Metrics on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up Node Exporter for Server Metrics on FreeBSD 15

  • July 28, 2026
  • FreeBSD
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Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up node exporter for server metrics on FreeBSD 15 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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Ubuntu 24.04 — roundcube — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — roundcube — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • July 28, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8223-1 Related CVEs: CVE-2024-38357 CVE-2024-38356 CVE-2024-42008 CVE-2024-42010 CVE-2026-26079 CVE-2026-25916 CVE-2019-15237 CVE-2025-68461  +2 more Upstream summary: It was discovered that Roundcube Webmail mishandled Punycode xn-- domain names. An attacker could possibly […]

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Ubuntu 24.04 — mako — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — mako — vulnerability — patch and remediation guide

  • July 28, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8234-1 Related CVEs: CVE-2026-41205 Upstream summary: It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain sensitive […]

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SLES 16 — xkbcomp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — xkbcomp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • July 28, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 28 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:232-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-15853 CVE-2018-15859 CVE-2018-15861 CVE-2018-15863 Upstream summary: Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to […]

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Red Hat Enterprise Linux 9 — bind — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — bind — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • July 28, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18786 Related CVEs: CVE-2025-8677 CVE-2026-1519 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 10 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — thunderbird — vulnerability — patch and remediation guide (ELSA-2025-12188)

  • July 28, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12188 Related CVEs: CVE-2025-8033 CVE-2025-8027 CVE-2025-8035 CVE-2025-8029 CVE-2025-8034 CVE-2025-8031 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure Tekton CI/CD Pipelines on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure Tekton CI/CD Pipelines on FreeBSD 15

  • July 28, 2026
  • FreeBSD
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Introduction How to Configure Tekton CI/CD Pipelines on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet […]

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Oracle Linux 10 — nodejs24 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — nodejs24 — vulnerability — patch and remediation guide (ELSA-2026-7675)

  • July 28, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 28 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7675 Related CVEs: CVE-2026-1525 CVE-2026-1526 CVE-2026-1527 CVE-2026-1528 CVE-2026-21637 CVE-2026-21710 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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