Package Management

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

Oracle Linux 8 — librabbitmq — vulnerability — patch and remediation guide (ELSA-2020-4445)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4445 Related CVEs: CVE-2019-18609 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 Build and Deploy a Go Web Application on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Build and Deploy a Go Web Application on RHEL 7

How to Build and Deploy a Go Web Application on RHEL 7 Go’s standard library includes a production-capable HTTP server in the net/http package. Unlike Java or Python, you do not need an external application server or framework to serve web traffic — the Go runtime handles it natively with impressive performance. This guide covers […]

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How to Configure sudo for Non-Root Users on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure sudo for Non-Root Users on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure sudo for non-root users on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any […]

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openSUSE Tumbleweed — mpop — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mpop — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2007:036 (see also SUSE bugzilla) Related CVEs: CVE-2007-1558 Upstream summary: The APOP protocol allows remote attackers to guess the first 3 characters of a password via man-in-the-middle (MITM) attacks that use crafted […]

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Gentoo Linux — app-arch/lrzip — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-arch/lrzip — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202005-01 Related CVEs: CVE-2017-8842 CVE-2017-8843 CVE-2017-8844 CVE-2017-8845 CVE-2017-8846 CVE-2017-8847 CVE-2017-9928 CVE-2017-9929 Upstream summary: Multiple vulnerabilities have been discovered in Long Range ZIP. Please review the CVE identifiers referenced below for details. Table […]

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FreeBSD 12 — mod_security — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mod_security — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/mod_security — NULL pointer dereference DoS Related CVEs: CVE-2013-1915 CVE-2013-2765 Upstream summary: SecurityFocus reports: When ModSecurity receives a request body with a size bigger than the value set by the […]

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How to Configure PostgreSQL Remote Access and SSL on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access and SSL on RHEL 7

How to Configure PostgreSQL Remote Access and SSL on RHEL 7 By default, PostgreSQL on RHEL 7 only accepts connections from localhost and rejects all remote clients. For multi-tier applications where the web or application server runs on a separate host from the database, you need to explicitly open PostgreSQL to remote connections — and […]

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FreeBSD 12 — enscript-letter — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — enscript-letter — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: enscript — arbitrary code execution vulnerability Related CVEs: CVE-2004-1184 CVE-2004-1185 CVE-2004-1186 CVE-2008-3863 CVE-2008-4306 Upstream summary: Ulf Harnhammar of Secunia Research reports: Stack-based buffer overflow in the read_special_escape function in src/psgen.c […]

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Ubuntu 16.04 — squirrelmail — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — squirrelmail — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 September 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4669-1 Related CVEs: CVE-2019-12970 Upstream summary: It was discovered that a cross-site scripting (XSS) vulnerability in SquirrelMail allows remote attackers to use malicious script content from HTML e-mail to execute […]

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