July 2024 - Page 6 of 107

Common Problems 116478

Ubuntu 24.04 LTS cloud-init Waits Indefinitely for Datasource

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2024 Affected versions: Ubuntu 24.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

Read more
NetBSD 9.4 — qt4-libs — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — qt4-libs — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-4137 CVE-2009-3384 CVE-2010-0046 CVE-2010-0049 CVE-2010-0050 CVE-2010-0052 CVE-2010-0054 CVE-2011-3193  +11 more Upstream summary: pkgsrc audit-packages flagged qt4-libs<4.3.2 for vulnerability class 'remote-user-shell'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4137 Table of contents Symptom & Impact Environment […]

Read more
Alpine Linux 3.19 — bison — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — bison — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.7.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — bison 3.7.2-r0 Related CVEs: CVE-2020-24240 CVE-2020-24979 CVE-2020-24980 Upstream summary: Alpine main repository for vv3.19 ships bison 3.7.2-r0 which addresses CVE-2020-24240. Table of contents Symptom & […]

Read more
How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 24.04

Two-Factor Authentication (2FA) adds an extra layer of security to SSH by requiring a time-based one-time password (TOTP) in addition to your SSH key or password. This guide configures Google Authenticator PAM for SSH 2FA on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo […]

Read more
FreeBSD 14 — dircproxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — dircproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dircproxy — remote denial of service Related CVEs: CVE-2007-5226 Upstream summary: Securiweb reports: dircproxy allows remote attackers to cause a denial of service (segmentation fault) via an ACTION command without […]

Read more
NetBSD 9.4 — mtr — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — mtr — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 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 mtr<0.72nb1 for vulnerability class 'arbitrary-code-execution'. Reference: http://seclists.org/fulldisclosure/2008/May/0488.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

Read more
How to Install Vagrant and VirtualBox on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install GitLab CE on Ubuntu 24.04

GitLab Community Edition is a full-featured DevOps platform that combines Git repository management, CI/CD pipelines, issue tracking, and a container registry in a single application. This guide installs GitLab CE on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Minimum 4 GB RAM (8 GB recommended) A domain […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.12.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — usbredir 0.12.0-r0 Related CVEs: CVE-2021-3700 Upstream summary: Alpine community repository for vv3.18 ships usbredir 0.12.0-r0 which addresses CVE-2021-3700. Table of contents Symptom & Impact Environment […]

Read more
FreeBSD 14 — rubygem-rails-html-sanitizer — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — rubygem-rails-html-sanitizer — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 July 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rails-html-sanitizer — possible XSS vulnerability Related CVEs: CVE-2015-7576 CVE-2015-7577 CVE-2015-7581 CVE-2016-0751 CVE-2016-0752 CVE-2016-0753 CVE-2018-3741 Upstream summary: OSS-Security list: There is a possible XSS vulnerability in rails-html-sanitizer. The gem allows non-whitelisted […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.2.12-r5 📖 ~4 min read  •  Source: Alpine secdb entry — sdl_image 1.2.12-r5 Related CVEs: CVE-2019-13616 Upstream summary: Alpine community repository for vv3.18 ships sdl_image 1.2.12-r5 which addresses CVE-2019-13616. Table of contents Symptom & Impact Environment […]

Read more
CHAT