Security Hardening

Red Hat Enterprise Linux 10 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19145 Related CVEs: CVE-2026-40355 CVE-2026-40356 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 9 — postgresql:15 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — postgresql:15 — vulnerability — patch and remediation guide (ELSA-2025-1741)

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-1741 Related CVEs: CVE-2025-1094 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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Red Hat Enterprise Linux 9 — toolbox — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — toolbox — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:2520 Related CVEs: CVE-2025-65637 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 8 — nodejs:24 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nodejs:24 — vulnerability — patch and remediation guide (ELSA-2026-7670)

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7670 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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Oracle Linux 8 — mingw-libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mingw-libtiff — vulnerability — patch and remediation guide (ELSA-2026-14929)

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-14929 Related CVEs: CVE-2026-4775 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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Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2026-0026)

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0026 Related CVEs: CVE-2025-14321 CVE-2025-14322 CVE-2025-14323 CVE-2025-14324 CVE-2025-14325 CVE-2025-14328 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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CentOS Stream 9 — libpq — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libpq — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:1738 Related CVEs: CVE-2025-1094 CVE-2025-12818 CVE-2022-41862 Upstream summary: The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fix(es): * postgresql: PostgreSQL quoting […]

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Windows Server 2016 — KB5087067 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5087067 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5087067 • MSRC update-guide entry Related CVEs: CVE-2026-32177 CVE-2026-35433 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate […]

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

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

🔴 Critical   ⏱ 15–90 min  Last verified: 19 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2006:020 (see also SUSE bugzilla) Related CVEs: CVE-2006-1615 CVE-2010-1205 CVE-2023-20032 CVE-2005-3303 CVE-2006-1614 CVE-2006-4182 CVE-2007-0897 CVE-2007-1997  +12 more Upstream summary: Multiple format string vulnerabilities in the logging code in Clam AntiVirus (ClamAV) before […]

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openSUSE Leap 15.6 — npm20 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — npm20 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:1842 (see also SUSE bugzilla) Related CVEs: CVE-2025-55130 CVE-2025-55131 CVE-2025-59465 CVE-2025-23166 CVE-2025-23083 CVE-2025-59466 CVE-2026-21637 CVE-2026-22036  +12 more Upstream summary: A flaw in Node.js's Permissions model allows attackers to bypass `–allow-fs-read` and […]

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