July 2022 - Page 7 of 72

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

Debian 11 — uimaj — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15691 Upstream summary: In Apache uimaj prior to 2.10.2, Apache uimaj 3.0.0-xxx prior to 3.0.0-beta, Apache uima-as prior to 2.10.2, Apache uimaFIT prior to 2.4.0, Apache uimaDUCC prior […]

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How To Protect an Nginx Server with Fail2Ban on Rocky Linux 9 — step-by-step Linux tutorial on Progressive Robot

How To Protect an Nginx Server with Fail2Ban on Rocky Linux 9

In this guide, you will learn how to install `fail2ban` on a Rocky Linux 9 server and configure it to monitor your Nginx logs for intrusion attempts. Fail2ban can significantly mitigate brute force attacks by creating rules that automatically alter your firewall configuration to ban specific IPs after a certain number of unsuccessful login attempts. This will allow your server to harden itself against these access attempts without intervention from you.

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Debian 11 — puppet-module-puppetlabs-apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — puppet-module-puppetlabs-apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-6508 CVE-2022-3275 Upstream summary: Puppet Enterprise 2017.3.x prior to 2017.3.3 are vulnerable to a remote execution bug when a specially crafted string was passed into the facter_task or […]

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Ubuntu 18.04 — networkd-dispatcher — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — networkd-dispatcher — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5395-2 Related CVEs: https://launchpad.net/bugs/1971550 CVE-2022-29799 CVE-2022-29800 Upstream summary: USN-5395-1 fixed vulnerabilities in networkd-dispatcher. Unfortunately that update was incomplete and could introduce a regression. This update fixes the problem. We apologize […]

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Oracle Linux 8 — python39:3.9 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python39:3.9 — vulnerability — patch and remediation guide (ELSA-2022-8492)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8492 Related CVEs: CVE-2022-42919 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Configure journald Log Persistence on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure journald Log Persistence on Debian 11

Introduction Deploying configure journald log persistence on debian 11 on a Debian 11 Bullseye 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 […]

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IBM AIX 7.1 — CVE-2022-43872 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-43872 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-43872, IBM Support Bulletin CVE: CVE-2022-43872 NVD summary: IBM Financial Transaction Manager 3.2.4 authorization checks are done incorrectly for some HTTP requests which allows getting unauthorized technical information (e.g. event log entries) […]

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