Linux

Debian 12 — fontforge — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — fontforge — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • September 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-4259 CVE-2017-11568 CVE-2017-11569 CVE-2017-11570 CVE-2017-11571 CVE-2017-11572 CVE-2017-11573 CVE-2017-11574  +12 more Upstream summary: Stack-based buffer overflow in FontForge 20100501 allows remote attackers to cause a denial of service (application […]

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Ubuntu 18.04 — shadow — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — shadow — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • September 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 14 September 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6640-1 Related CVEs: CVE-2023-4641 https://launchpad.net/bugs/1998169 CVE-2013-4235 CVE-2017-12424 CVE-2018-7169 Upstream summary: It was discovered that shadow was not properly sanitizing memory when running the password utility. An attacker could possibly use […]

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

Ubuntu 22.04 — nautilus — vulnerability — patch and remediation guide

  • September 14, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5786-1 Related CVEs: CVE-2022-37290 Upstream summary: It was discovered that GNOME Files incorrectly handled certain filenames. An attacker could possibly use this issue to cause GNOME Files to crash, leading […]

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Alpine Linux 3.18 — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 6.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-saml2 6.5.0-r0 Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: Alpine community repository for vv3.18 ships py3-saml2 6.5.0-r0 which addresses CVE-2021-21238. Table of contents Symptom & Impact […]

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How To Install Linux, Apache, MariaDB, PHP (LAMP) stack on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Install Linux, Apache, MariaDB, PHP (LAMP) stack on Debian 9

  • September 14, 2023
  • Linux
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A “LAMP” stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. This stack typically consists of the Linux operating system, the Apache web server, a MariaDB database, and PHP, a dynamic content processor. This tutorial serves as a guide for installing these components on a Debian 9 server.

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How to Encrypt Disk Partitions with LUKS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Encrypt Disk Partitions with LUKS on RHEL 9

  • September 14, 2023
  • Linux
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LUKS (Linux Unified Key Setup) is the standard disk encryption framework on Linux, providing transparent block-level encryption that protects data at rest even if physical media is stolen. On RHEL 9, LUKS is backed by the cryptsetup tool and integrates tightly with the kernel’s device mapper subsystem. This tutorial walks through encrypting a new disk […]

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Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2023-4201)

  • September 14, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 14 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4201 Related CVEs: CVE-2023-32439 CVE-2023-32435 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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openSUSE Leap 15.5 — w3m — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — w3m — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 14, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4439-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38252 CVE-2023-38253 Upstream summary: An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker […]

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How to Set Up Ansible on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Ansible on Debian 12

  • September 14, 2023
  • Linux
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Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up ansible on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and the […]

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How To Install Jitsi Meet on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Jitsi Meet on Ubuntu 20.04

  • September 14, 2023
  • Linux
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Jitsi Meet is an open-source video-conferencing application based on WebRTC. In this tutorial, you will install and configure a Jitsi Meet server on Ubuntu 20.04. The default configuration allows anyone to create a new conference room. This is not ideal for a server that is publicly available on the internet so you will also configure Jitsi Meet so that only registered users can create new conference rooms.

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