Security Hardening

CentOS Stream 10 — openssh — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — openssh — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 June 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:13380 Related CVEs: CVE-2026-35385 CVE-2026-35386 CVE-2026-35387 CVE-2026-35388 CVE-2026-35414 CVE-2026-3497 CVE-2025-61984 CVE-2025-61985  +1 more Upstream summary: OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating […]

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Fedora 42 — python-django5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — python-django5 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-b9548393aa Related CVEs: CVE-2026-5766 CVE-2026-35192 CVE-2026-6907 CVE-2026-3902 CVE-2026-4277 CVE-2026-4292 CVE-2026-33033 CVE-2026-33034  +1 more Upstream summary: – Fixes CVE-2026-5766: Potential denial-of-service vulnerability in ASGI requests via file upload limit bypass – Fixes CVE-2026-35192: […]

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SLES 16 — xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:10739 (see also SUSE bugzilla) Related CVEs: CVE-2026-34001 CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 CVE-2021-3472 CVE-2021-4008 CVE-2021-4009 CVE-2021-4010  +12 more Upstream summary: A flaw was found in the X.Org X server. This use-after-free vulnerability occurs […]

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FreeBSD 13 — qt6-webengine — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — qt6-webengine — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 11, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 11 June 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qt6-webengine — multiple vulnerabilities Related CVEs: CVE-2023-5186 CVE-2023-5187 CVE-2023-5217 CVE-2023-5218 CVE-2023-5473 CVE-2023-5474 CVE-2023-5475 CVE-2023-5476  +12 more Upstream summary: Qt qtwebengine-chromium repo reports: Backports for 262 security bugs in Chromium: CVE-2025-13223: […]

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SLES 16 — libodbc2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libodbc2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 11, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 11 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:719-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-7409 CVE-2018-7485 CVE-2011-1145 Upstream summary: In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c. Table of contents Symptom & […]

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Red Hat Enterprise Linux 7 — host-metering — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — host-metering — vulnerability — patch and remediation guide

  • June 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:16101 Related CVEs: CVE-2026-32283 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 the Hostname on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set the Hostname on FreeBSD 15

  • June 11, 2026
  • FreeBSD
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Introduction Deploying set the hostname on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + ports approach […]

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NetBSD 10.0 — vim-share — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — vim-share — vulnerability — patch and remediation guide

  • June 10, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-9390 Upstream summary: pkgsrc audit-packages flagged vim-share<6.3.046 for vulnerability class 'local-file-write'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0069 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 115933

Fix Netplan Static IP Misconfiguration on Ubuntu 26.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 10 June 2026 Affected versions: 26.04 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs […]

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