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Common Problems 120633

Debian 11: Fail2ban blocks internal monitoring IPs

🟡 Medium   ⏱ 5–30 min  Last verified: 22 March 2022 Affected versions: Debian 11 📖 ~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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Debian 11 — uglify-js — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — uglify-js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-37598 Upstream summary: Prototype pollution vulnerability in function DEFNODE in ast.js in mishoo UglifyJS 3.13.2 via the name variable in ast.js. NOTE: the vendor considers this an invalid […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 22 March 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:8340 Related CVEs: CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 Upstream summary: FreeType is a free, high-quality, portable font engine that can open and manage font files. FreeType loads, hints, and renders individual glyphs efficiently. […]

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How to Encrypt Disk Partitions with LUKS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on Debian 11

Introduction How to Encrypt Disk Partitions with LUKS on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 Debian […]

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SLES 15 — tmux — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tmux — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 March 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2024:0184-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-47016 Upstream summary: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was […]

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FreeBSD 13 — de-wordpress — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — de-wordpress — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wordpress — multiple issues Related CVEs: CVE-2007-4894 CVE-2007-5710 CVE-2008-4107 CVE-2008-5278 CVE-2009-2762 CVE-2009-3890 CVE-2009-3891 CVE-2010-4257  +12 more Upstream summary: wordpress developers reports: This security and maintenance release features 1 bug fix […]

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Debian 11 — libreoffice — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libreoffice — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2685 CVE-2011-2713 CVE-2012-1149 CVE-2012-2334 CVE-2012-2665 CVE-2012-4233 CVE-2012-5639 CVE-2013-2189  +12 more Upstream summary: Stack-based buffer overflow in the Lotus Word Pro import filter in LibreOffice before 3.3.3 allows remote […]

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How to Configure GlusterFS Distributed Storage on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure GlusterFS Distributed Storage on RHEL 8

GlusterFS is an open-source, scale-out network-attached storage filesystem that aggregates storage from multiple servers into a single, unified namespace. It supports replication, distribution, and striping, making it suitable for workloads that require high availability or large aggregate capacity without specialized hardware. On RHEL 8, GlusterFS packages are available through the CentOS Storage SIG repository, allowing […]

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Gentoo Linux — net-analyzer/net-snmp — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-analyzer/net-snmp — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202008-12 Related CVEs: CVE-2019-20892 CVE-2020-15861 CVE-2020-15862 CVE-2022-24805 CVE-2022-24806 CVE-2022-24807 CVE-2022-24808 CVE-2022-24809  +1 more Upstream summary: Multiple vulnerabilities have been discovered in Net-SNMP. Please review the CVE identifiers referenced below for details. Table […]

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Common Problems 112534

Windows Server 2019 — krbtgt password reset procedure required after suspected golden ticket exposure — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 March 2022 Affected versions: Windows Server 2019 📖 ~2 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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