Security Hardening

Common Problems 114039

RHEL 10 – static routes disappear because nm-cloud-setup overwrites networking – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 5 January 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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FreeBSD 15 — lives — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — lives — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: lives — insecure files permissions Upstream summary: Debian reports: smogrify script creates insecure temporary files. lives creates and uses world-writable directory. Table of contents Symptom & Impact Environment & Reproduction […]

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NetBSD 10.0 — php81-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php81-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-31625 CVE-2025-1735 Upstream summary: pkgsrc audit-packages flagged php81-pgsql<8.1.7 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-31625 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 15 — wolfssl — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — wolfssl — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wolfssl — multiple issues Related CVEs: CVE-2015-6925 CVE-2015-7744 CVE-2020-12966 CVE-2021-46744 CVE-2022-34293 CVE-2025-11931 CVE-2025-11932 CVE-2025-11933  +5 more Upstream summary: wolfSSL blog reports: This release includes multiple fixes across TLS 1.2, TLS […]

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FreeBSD 15 — py313-pdfminer.six — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py313-pdfminer.six — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-pdfminer.six — Arbitrary Code Execution in pdfminer.six via Crafted PDF Input Related CVEs: CVE-2025-64512 Upstream summary: Pieter Marsman reports: pdfminer.six will execute arbitrary code from a malicious pickle file if […]

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Windows Server 2025 — KB5053606 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5053606 — 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 KB5053606 • MSRC update-guide entry Related CVEs: CVE-2025-24035 CVE-2025-26645 CVE-2024-9157 CVE-2025-24044 CVE-2025-24987 CVE-2025-24988 CVE-2025-21180 CVE-2025-24995  +12 more Affected components: Windows Server 2025 Microsoft summary: Sensitive data storage in improperly locked memory in […]

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Common Problems 114425

RHEL 9: firewalld Blocking Required Application Port

🟡 Medium   ⏱ 5–30 min  Last verified: 5 January 2026 📖 ~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 References & Further […]

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FreeBSD 15 — py39-numpy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py39-numpy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-numpy — Missing return-value validation of the function PyArray_DescrNew Related CVEs: CVE-2021-41495 Upstream summary: Numpy reports: At most call-sites for PyArray_DescrNew, there are no validations of its return, but an […]

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FreeBSD 15 — libvpx — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — libvpx — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: electron{22,24,25} — Heap buffer overflow in vp8 encoding in libvpx Related CVEs: CVE-2014-1578 CVE-2015-4485 CVE-2015-4486 CVE-2015-4506 CVE-2023-5217 Upstream summary: Electron developers report: This update fixes the following vulnerability: Security: backported […]

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