Package Management

Oracle Linux 8 — libX11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libX11 — vulnerability — patch and remediation guide (ELSA-2023-7029)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 October 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7029 Related CVEs: CVE-2023-3138 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Alpine Linux 3.18 — newlib — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — newlib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 4.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — newlib 4.1.0-r0 Related CVEs: CVE-2021-3420 Upstream summary: Alpine community repository for vv3.18 ships newlib 4.1.0-r0 which addresses CVE-2021-3420. Table of contents Symptom & Impact Environment […]

Read more
Oracle Linux 9 — .NET 7.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 7.0 — vulnerability — patch and remediation guide (ELSA-2023-5146)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 October 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5146 Related CVEs: CVE-2023-36799 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
How to Install MongoDB on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install MongoDB on Debian 12

Introduction This guide explains how to Install MongoDB on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the standard repositories […]

Read more
Alpine Linux 3.18 — libevent — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libevent — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.1.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libevent 2.1.8-r0 Related CVEs: CVE-2016-10195 CVE-2016-10196 CVE-2016-10197 Upstream summary: Alpine main repository for vv3.18 ships libevent 2.1.8-r0 which addresses CVE-2016-10195. Table of contents Symptom & […]

Read more
Amazon Linux 2023 — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — traceroute — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-452 Related CVEs: CVE-2023-46316 Upstream summary: In buc Traceroute 2.0.12 through 2.1.2 before 2.1.3, the wrapper scripts do not properly parse command lines. (CVE-2023-46316) Table of contents Symptom & Impact […]

Read more
How to Configure Mandatory Integrity Control on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Mandatory Integrity Control on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure mandatory integrity control on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Mandatory Integrity Control on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

Read more
NetBSD 9.4 — ruby1-activesupport — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby1-activesupport — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged ruby1{8,9}-activesupport>=3.0<3.0.8 for vulnerability class 'cross-site-scripting'. Reference: http://secunia.com/advisories/44789/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

Read more
Debian 12 — ruby-doorkeeper — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-doorkeeper — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6582 CVE-2018-1000088 CVE-2018-1000211 CVE-2020-10187 CVE-2023-34246 Upstream summary: The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging […]

Read more
NetBSD 9.4 — ruby-zip — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-zip — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-5946 CVE-2018-1000544 CVE-2019-16892 Upstream summary: pkgsrc audit-packages flagged ruby{18,21,22,23}-zip<1.2.1 for vulnerability class 'directory-traversal'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5946 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

Read more
CHAT