October 2021 - Page 13 of 66

AlmaLinux 8 — frei0r-plugins — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — frei0r-plugins — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 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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FreeBSD 13 — kr-openoffice — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — kr-openoffice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading a […]

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How To Install and Configure Monit — step-by-step Devops tutorial on Progressive Robot

How To Install and Configure Monit

Monit is a helpful program that automatically monitors and manages server programs to ensure that they not only stay online consistently, but that the file size, checksum, or permissions are always correct. This tutorial covers monit installation and provides an example of how to configure it for some common programs.

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

Debian 11 — groonga — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11675 Upstream summary: The groonga-httpd package 6.1.5-1 for Debian sets the /var/log/groonga ownership to the groonga account, which might let local users obtain root access because of unsafe […]

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AlmaLinux 8 — enchant2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — enchant2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817  +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Ubuntu 18.04 — glances — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — glances — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5187-1 Related CVEs: CVE-2021-23418 Upstream summary: It was discovered that Glances incorrectly parsed untrusted XML data due to usage of xmlrpclib. An attacker could possibly use this to perform an […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 26 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-4111 CVE-2006-4112 CVE-2007-3227 CVE-2007-5379 CVE-2007-5380 CVE-2007-6077 CVE-2008-4094 CVE-2008-5189  +12 more Upstream summary: Ruby on Rails before 1.1.5 allows remote attackers to execute Ruby code with "severe" or "serious" […]

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Alpine Linux edge — djvulibre — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — djvulibre — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.5.28-r1 📖 ~4 min read  •  Source: Alpine secdb entry — djvulibre 3.5.28-r1 Related CVEs: CVE-2021-3500 CVE-2021-3630 CVE-2021-32490 CVE-2021-32491 CVE-2021-32492 CVE-2021-32493 Upstream summary: Alpine community repository for vedge ships djvulibre 3.5.28-r1 which addresses CVE-2021-3500. Table of […]

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How to Configure syslog-ng for Centralised Syslog on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure syslog-ng for Centralised Syslog on RHEL 8

syslog-ng is a high-performance, feature-rich syslog daemon that far exceeds the capabilities of the standard rsyslog — it supports complex log routing with conditional filters, structured parsing, TLS-encrypted transport, and native output plugins for Elasticsearch, Kafka, and cloud logging services. On RHEL 8 the package is available from EPEL, making installation straightforward without manual source […]

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