September 2023 - Page 70 of 72

Common Problems 112465

Windows Server 2019 — PowerShellGet install-module fails with repository policy is untrusted — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 04 June 2027 Affected versions: Windows Server 2019 📖 ~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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Ubuntu 22.04 — jupyter-notebook — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — jupyter-notebook — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7464-1 Related CVEs: CVE-2022-25887 CVE-2018-19351 CVE-2018-21030 CVE-2019-10255 CVE-2019-10856 CVE-2019-9644 CVE-2020-26215 CVE-2022-24758  +1 more Upstream summary: It was discovered that Jupyter Notebook did not properly parse HTML comments under certain circumstances. […]

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Ubuntu 22.04 — gnuchess — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gnuchess — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7336-1 Related CVEs: CVE-2021-30184 Upstream summary: Michael Vaughan discovered an overflow vulnerability in GNU Chess that occurs when reading a specially crafted Portable Game Notation (PGN) file. An attacker could […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:9158 Related CVEs: CVE-2020-27827 CVE-2021-43612 CVE-2023-41910 Upstream summary: LLDP is an industry standard protocol designed to supplant proprietary Link-Layer protocols such as EDP or CDP. The goal of LLDP is to […]

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How to Configure OpenDKIM with Postfix on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on Debian 12

Introduction This guide explains how to Configure OpenDKIM with Postfix on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the […]

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NetBSD 9.4 — xalan-j — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xalan-j — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-0107 Upstream summary: pkgsrc audit-packages flagged xalan-j>=2.7.0<2.7.2 for vulnerability class 'security-bypass'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0107 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 9.4 — unalz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — unalz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2005-3862 CVE-2006-0950 Upstream summary: pkgsrc audit-packages flagged unalz<0.40 for vulnerability class 'buffer-overflow'. Reference: http://www.kipple.pe.kr/win/unalz/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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NetBSD 9.4 — ruby-facter — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-facter — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby{18,193,200,215}-facter<2.4.1 for vulnerability class 'information-leakage'. Reference: http://puppetlabs.com/security/cve/cve-2015-1426 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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NetBSD 9.4 — php5-pear-DB — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php5-pear-DB — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged php5-pear-DB<1.7.8 for vulnerability class 'sql-injection'. Reference: http://secunia.com/advisories/20231/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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