Security Hardening

Oracle Linux 10 — ELSA-2025-20095-0: kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ELSA-2025-20095-0: kernel — vulnerability — patch and remediation guide (ELSA-2025-20095-0)

  • November 22, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-20095-0 Related CVEs: CVE-2024-28956 CVE-2024-36350 CVE-2024-36357 CVE-2024-49570 CVE-2024-52332 CVE-2024-53147 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 — qt6-qtsvg — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — qt6-qtsvg — vulnerability — patch and remediation guide (ELSA-2025-21037)

  • November 22, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 November 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21037 Related CVEs: CVE-2025-10729 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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openSUSE Leap 15.6 — htmldoc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — htmldoc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • November 22, 2025
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0349-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-46478 CVE-2024-45508 Upstream summary: HTMLDOC v1.9.18 contains a buffer overflow in parse_pre function,ps-pdf.cxx:5681. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Oracle Linux 9 — binutils — vulnerability — patch and remediation guide (ELSA-2025-23343)

  • November 22, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 22 November 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-23343 Related CVEs: CVE-2025-11083 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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FreeBSD 14 — openssh-portable-hpn — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — openssh-portable-hpn — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • November 21, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: FreeBSD — Multiple vulnerabilities in OpenSSH Related CVEs: CVE-2021-28041 CVE-2021-41617 CVE-2023-38408 CVE-2025-26465 CVE-2025-26466 Upstream summary: Problem Description: OpenSSH client host verification error (CVE-2025-26465) ssh(1) contains a logic error that allows […]

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Debian 13 — gbatnav — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gbatnav — vulnerability — patch and remediation guide

  • November 21, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0407 Upstream summary: Buffer overflow in gbnserver for Gnome Batalla Naval 1.0.4 allows remote attackers to execute arbitrary code via a long connection string. Table of contents Symptom […]

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Debian 13 — node-knockout — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-knockout — vulnerability — patch and remediation guide

  • November 21, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14862 Upstream summary: There is a vulnerability in knockout before version 3.5.0-beta, where after escaping the context of the web application, the web application delivers data to its users […]

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Windows Server 2025 — KB5058500 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5058500 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5058500 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-55229 CVE-2025-47955 CVE-2025-29959  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows Remote Desktop Services […]

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Debian 13 — barnowl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — barnowl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • November 21, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-0363 CVE-2010-0793 CVE-2010-2725 Upstream summary: Multiple buffer overflows in (a) BarnOwl before 1.0.5 and (b) owl 2.1.11 allow remote attackers to execute arbitrary code via vectors involving (1) […]

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Debian 13 — lldpad — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lldpad — vulnerability — patch and remediation guide

  • November 21, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10932 Upstream summary: lldptool version 1.0.1 and older can print a raw, unsanitized attacker controlled buffer when mngAddr information is displayed. This may allow an attacker to inject shell […]

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