Security Hardening

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

openSUSE Tumbleweed — gimp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 11, 2025
  • 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-2026:0914 (see also SUSE bugzilla) Related CVEs: CVE-2025-14422 CVE-2025-14423 CVE-2025-14424 CVE-2025-14425 CVE-2025-15059 CVE-2025-10920 CVE-2025-10922 CVE-2025-10925  +12 more Upstream summary: GIMP PNM File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows […]

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Oracle Linux 9 — runc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — runc — vulnerability — patch and remediation guide (ELSA-2026-3291)

  • September 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 September 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3291 Related CVEs: CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 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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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-20559)

  • September 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 September 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20559 Related CVEs: CVE-2025-40300 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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Windows Server 2016 — KB5049622 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5049622 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5049622 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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SLES 12 — amazon-ssm-agent — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — amazon-ssm-agent — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • September 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 September 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:0436 (see also SUSE bugzilla) Related CVEs: CVE-2025-47913 CVE-2025-21613 CVE-2022-29527 CVE-2025-22870 Upstream summary: SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process. […]

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Windows Server 2016 — KB5052106 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5052106 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5052106 • MSRC update-guide entry Related CVEs: CVE-2025-21376 CVE-2025-21351 CVE-2025-21352 CVE-2025-21368 CVE-2025-21369 CVE-2025-21375 CVE-2025-21391 CVE-2025-21418  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Harden SSH and Disable Root Login on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Harden SSH and Disable Root Login on Debian 13

  • September 11, 2025
  • Linux
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Introduction How to Harden SSH and Disable Root Login on Debian 13 is a fundamental operation for any administrator maintaining a Debian 13 Trixie server. Debian 13 Trixie ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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NetBSD 10.0 — spidermonkey52 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — spidermonkey52 — vulnerability — patch and remediation guide

  • September 10, 2025
  • 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 Upstream summary: pkgsrc audit-packages flagged spidermonkey52-[0-9]* for vulnerability class 'multiple-vulnerabilities'. Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2018-24/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 124128

System Logging Stops Due to rsyslog Queue Disk Permission

🟠 High   ⏱ 5–30 min  Last verified: 10 September 2025 Affected versions: Oracle Linux 10 📖 ~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 […]

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FreeBSD 13 — privatebin — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — privatebin — vulnerability — patch and remediation guide

  • September 10, 2025
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2025 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: privatebin XSS Related CVEs: CVE-2025-62796 Upstream summary: privatebin reports: Dragging a file whose filename contains HTML is reflected verbatim into the page via the drag-and-drop helper, so any user who […]

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