Linux

Ubuntu 20.04 — libjpeg-turbo — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libjpeg-turbo — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • December 23, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 23 December 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5631-1 Related CVEs: CVE-2018-11813 CVE-2020-17541 CVE-2020-35538 CVE-2021-46822 CVE-2020-13790 Upstream summary: It was discovered that libjpeg-turbo incorrectly handled certain EOF characters. An attacker could possibly use this issue to cause libjpeg-turbo […]

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

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

  • December 23, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2629 CVE-2009-3555 CVE-2009-3896 CVE-2009-3898 CVE-2009-4487 CVE-2011-4315 CVE-2011-4968 CVE-2012-1180  +12 more Upstream summary: Buffer underflow in src/http/ngx_http_parse.c in nginx 0.1.0 through 0.5.37, 0.6.x before 0.6.39, 0.7.x before 0.7.62, and […]

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AlmaLinux 8 — xorg-x11-drivers — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xorg-x11-drivers — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • December 23, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1804 Related CVEs: CVE-2020-14344 CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14360 CVE-2020-14361 CVE-2020-14362 CVE-2020-14363  +1 more Upstream summary: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that […]

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How To Configure a MongoDB Replica Set on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Configure a MongoDB Replica Set on Ubuntu 20.04

  • December 23, 2021
  • Linux
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The practice of synchronizing data across multiple separate databases is called replication. In MongoDB, a group of servers that maintain the same data set through replication are referred to as a replica set. This tutorial provides a brief overview of how replication works in MongoDB before outlining how to configure and initiate a replica set with three members.

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How to Set Up Rancher on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Rancher on CentOS Stream 9

  • December 22, 2021
  • CentOS
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Introduction This tutorial demonstrates how to Set Up Rancher on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]

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AlmaLinux 8 — adwaita-icon-theme — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — adwaita-icon-theme — vulnerability — patch and remediation guide

  • December 22, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1875 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — file-roller — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — file-roller — vulnerability — patch and remediation guide

  • December 22, 2021
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4179 Related CVEs: CVE-2020-36314 Upstream summary: File Roller is an application for creating and viewing archives files, such as tar or zip files. Security Fix(es): * file-roller: directory traversal via directory symlink […]

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AlmaLinux 8 — vte291 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — vte291 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 22, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:4451 Related CVEs: CVE-2019-8625 CVE-2019-8710 CVE-2019-8720 CVE-2019-8743 CVE-2019-8764 CVE-2019-8766 CVE-2019-8769 CVE-2019-8771  +12 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Debian 11 — freexl — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — freexl — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • December 22, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 22 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2753 CVE-2015-2754 CVE-2015-2776 CVE-2017-2923 CVE-2017-2924 CVE-2018-7435 CVE-2018-7436 CVE-2018-7437  +2 more Upstream summary: FreeXL before 1.0.0i allows remote attackers to cause a denial of service (stack corruption) or possibly […]

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

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

  • December 22, 2021
  • Linux
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🟡 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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