January 2023 - Page 9 of 72

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2097 CVE-2005-3191 CVE-2005-3192 CVE-2005-3193 CVE-2005-3624 CVE-2005-3625 CVE-2005-3626 CVE-2005-3627  +12 more Upstream summary: xpdf and kpdf do not properly validate the "loca" table in PDF files, which allows local […]

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

Debian 11 — upx-ucl — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15056 CVE-2017-16869 CVE-2018-11243 CVE-2019-14295 CVE-2019-14296 CVE-2019-20021 CVE-2019-20051 CVE-2019-20053  +12 more Upstream summary: p_lx_elf.cpp in UPX 3.94 mishandles ELF headers, which allows remote attackers to cause a denial of […]

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Ubuntu 20.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7077-1 Related CVEs: CVE-2023-31315 CVE-2023-20569 CVE-2023-20593 Upstream summary: Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode (SMM) configuration […]

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How to Install Kibana on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Kibana on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying install kibana both straightforward and auditable. This tutorial covers the complete procedure for how to Install Kibana on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You will need: a registered […]

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Ubuntu 14.04 — tinyproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — tinyproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7190-1 Related CVEs: CVE-2023-49606 CVE-2022-40468 CVE-2017-11747 Upstream summary: It was discovered that Tinyproxy did not properly manage memory during the parsing of HTTP connection headers. An attacker could use this […]

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Oracle Linux 8 — dnsmasq — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dnsmasq — vulnerability — patch and remediation guide (ELSA-2024-1335)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1335 Related CVEs: CVE-2023-50387 CVE-2023-50868 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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How to Use Ansible to Automate Initial Server Setup on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Ansible to Automate Initial Server Setup on Ubuntu 22.04

Ansible offers a simple architecture that doesn’t require special software to be installed on nodes. It also provides a robust set of features and built-in modules which facilitate writing automation scripts. This guide explains how to use Ansible to automate the steps contained in our Initial Server Setup Guide for Ubuntu 20.04 servers.

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