Linux

Debian 12 — mqtt-client — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mqtt-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-0222 Upstream summary: In Apache ActiveMQ 5.0.0 – 5.15.8, unmarshalling corrupt MQTT frame can lead to broker Out of Memory exception making it unresponsive. Table of contents Symptom […]

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Debian 12 — gzip — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gzip — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-1999-1332 CVE-2003-0367 CVE-2004-0970 CVE-2005-0758 CVE-2005-0988 CVE-2005-1228 CVE-2006-4334 CVE-2006-4335  +6 more Upstream summary: gzexe in the gzip package on Red Hat Linux 5.0 and earlier allows local users to […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 9 October 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6842-1 Related CVEs: CVE-2022-4285 CVE-2023-1972 CVE-2023-39128 CVE-2023-39129 CVE-2023-39130 Upstream summary: It was discovered that gdb incorrectly handled certain memory operations when parsing an ELF file. An attacker could possibly use […]

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Ubuntu 16.04 — libspreadsheet-parseexcel-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libspreadsheet-parseexcel-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 October 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6781-1 Related CVEs: CVE-2023-7101 Upstream summary: Le Dinh Hai discovered that Spreadsheet::ParseExcel was passing unvalidated input from a file into a string-type "eval". An attacker could craft a malicious file […]

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Ubuntu 18.04 — haproxy — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — haproxy — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 October 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7067-1 Related CVEs: CVE-2023-44487 CVE-2023-45539 CVE-2023-25725 CVE-2020-11100 CVE-2019-19330 CVE-2019-18277 CVE-2018-20102 CVE-2018-20103  +3 more Upstream summary: It was discovered that HAProxy did not properly limit the creation of new HTTP/2 streams. […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2023-4076)

🟠 High   ⏱ 15–60 min  Last verified: 9 October 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4076 Related CVEs: CVE-2023-37202 CVE-2023-37211 CVE-2023-37207 CVE-2023-37208 CVE-2023-37201 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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openSUSE Leap 15.5 — busybox-bc — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — busybox-bc — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2871-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-48174 Upstream summary: There is a stack overflow vulnerability in ash.c:6030 in busybox before 1.35. In the environment of Internet of Vehicles, this vulnerability […]

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How to Install Haskell GHCup on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Haskell GHCup on Debian 12

Introduction Deploying install haskell ghcup on debian 12 on a Debian 12 Bookworm 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 Before you begin, […]

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Alpine Linux 3.18 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.3.9.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — dovecot 2.3.9.3-r0 Related CVEs: CVE-2020-7046 CVE-2020-7957 CVE-2019-19722 CVE-2019-11500 CVE-2019-11499 CVE-2019-11494 CVE-2019-10691 CVE-2019-7524  +12 more Upstream summary: Alpine main repository for vv3.18 ships dovecot 2.3.9.3-r0 which […]

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How to Configure CentOS Stream 9 for Machine Learning — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure CentOS Stream 9 for Machine Learning

Introduction Setting up configure centos stream 9 for machine learning on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure CentOS Stream 9 for Machine Learning, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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