July 2026 - Page 129 of 201

Alpine Linux 3.19 — openjdk21 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openjdk21 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 12, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 21.0.6_p7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openjdk21 21.0.6_p7-r0 Related CVEs: CVE-2025-21502 CVE-2024-21217 CVE-2024-21235 CVE-2024-21210 CVE-2024-21211 CVE-2024-21208 CVE-2024-21147 CVE-2024-21145  +12 more Upstream summary: Alpine community repository for vv3.19 ships openjdk21 21.0.6_p7-r0 which […]

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Windows Server 2016 — KB5075899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5075899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5075899 • MSRC update-guide entry Related CVEs: CVE-2026-21519 CVE-2026-21248 CVE-2026-21247 CVE-2026-21236 CVE-2026-21533 CVE-2026-21513 CVE-2026-21510 CVE-2026-21508  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Access of […]

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

Oracle Linux 10 — glibc — vulnerability — patch and remediation guide (ELSA-2026-1334)

  • July 12, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1334 Related CVEs: CVE-2026-0861 CVE-2026-0915 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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SLES 16 — libjansson4 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libjansson4 — vulnerability — patch and remediation guide

  • July 12, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 July 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0467-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-6401 Upstream summary: Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a […]

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

Oracle Linux 10 — valkey — vulnerability — patch and remediation guide (ELSA-2026-3443)

  • July 12, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 July 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3443 Related CVEs: CVE-2025-67733 CVE-2026-21863 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Amazon Linux 2 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • July 12, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2UNBOUND-1.17-2025-005 Related CVEs: CVE-2025-5994 CVE-2023-50387 CVE-2023-50868 CVE-2024-1488 CVE-2024-33655 CVE-2020-10772 CVE-2020-12662 CVE-2020-12663  +12 more Upstream summary: A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that […]

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Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grub2 — vulnerability — patch and remediation guide (ELSA-2025-3367)

  • July 12, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 July 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-3367 Related CVEs: CVE-2025-0624 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Set Up a DNS Server with Bind9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure a Static IP Address with Netplan on Ubuntu 26.04

  • July 12, 2026
  • Linux
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Netplan is the default network configuration tool on Ubuntu since 18.04. It uses YAML configuration files to describe network interfaces and passes them to either NetworkManager (desktops) or systemd-networkd (servers). This guide configures a static IP address using Netplan on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A […]

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Red Hat Enterprise Linux 8 — vsftpd — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — vsftpd — vulnerability — patch and remediation guide

  • July 12, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:4554 Related CVEs: CVE-2025-14242 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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Oracle Linux 9 — podman — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — podman — vulnerability — patch and remediation guide (ELSA-2025-21702)

  • July 12, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 12 July 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21702 Related CVEs: CVE-2025-52881 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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