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Debian 11 — mason — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mason — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3118 Upstream summary: Mason before 1.0.0 does not install the init script after the user uses Mason to configure a firewall, which causes the system to run without […]

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Common Problems 114556

Samba Share Access Denied on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 14 September 2022 📖 ~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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Debian 11 — jackson-dataformat-xml — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jackson-dataformat-xml — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-3720 CVE-2016-7051 Upstream summary: XML external entity (XXE) vulnerability in XmlMapper in the Data format extension for Jackson (aka jackson-dataformat-xml) allows attackers to have unspecified impact via unknown […]

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Debian 11 — pax — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pax — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1193 CVE-2015-1194 Upstream summary: Multiple directory traversal vulnerabilities in pax 1:20140703 allow remote attackers to write to arbitrary files via a (1) full pathname or (2) .. (dot […]

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AlmaLinux 8 — qt5-qtconnectivity — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtconnectivity — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), qgnomeplatform (0.7.1), qt5 […]

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Debian 11 — ghostwriter — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ghostwriter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-39209 Upstream summary: cmark-gfm is GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C. In versions prior to 0.29.0.gfm.6 a polynomial time complexity […]

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How to Configure TCP Wrappers on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure TCP Wrappers on Debian 9

Introduction Deploying configure tcp wrappers on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 9 […]

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How to Install and Configure VNC on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How to Install and Configure VNC on Ubuntu 22.04

Virtual Network Computing, or VNC, is a connection system that allows you to use your keyboard and mouse to interact with a graphical desktop environment on a remote server. In this guide, you’ll set up a VNC server on an Ubuntu 22.04 server and connect to it securely through an SSH tunnel.

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AlmaLinux 8 — perl-File-Find-Rule — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-File-Find-Rule — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:9605 Related CVEs: CVE-2011-10007 Upstream summary: File::Find::Rule is a friendlier interface to File::Find. It allows you to build rules which specify the desired files and directories. Security Fix(es): * perl-file-find-rule: File::Find::Rule Arbitrary […]

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Ubuntu 20.04 — nvidia-graphics-drivers-515-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nvidia-graphics-drivers-515-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 September 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in some situations. A local user could use […]

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