November 2021 - Page 18 of 66

FreeBSD 13 — xorg-clients — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xorg-clients — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: XFree86 opens a chooserFd TCP socket even when DisplayManager.requestPort is 0 Related CVEs: CVE-2004-0419 Upstream summary: When the IPv6 code was added to xdm a critical test to disable xdmcp […]

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Comment installer Webmin sur Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Comment installer Webmin sur Ubuntu 20.04

Webmin est un panneau de contrôle web moderne qui vous permet d’administrer votre serveur Linux via une interface basée sur un navigateur. Avec Webmin, vous pouvez gérer les comptes d’utilisateurs, configurer les paramètres DNS et modifier les…

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Debian 10 — libuv1 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libuv1 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-22918 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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Debian 11 — mpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1424 CVE-2002-1425 CVE-2011-4919 Upstream summary: Buffer overflow in munpack in mpack 1.5 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code. […]

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How To Create a SSL Certificate on Apache for Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Create a SSL Certificate on Apache for Ubuntu 14.04

The Apache web server is the most popular way to serve content on the web. If you need to communicate with your site visitors over a secured connection, setting up a TLS or SSL certificate will enable you to encrypt traffic. In this guide, we’ll discuss how to create a self-signed SSL certificate on Ubuntu 14.04 and use it with Apache to encrypt traffic.

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AlmaLinux 8 — libnumbertext — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libnumbertext — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1779 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — curl — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — curl — security and stability fixes — required update (ELSA-2019-3701)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3701 Related CVEs: CVE-2019-3822 CVE-2019-3823 CVE-2018-20483 CVE-2018-16890 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 119122

Ubuntu 14.04 LTS USB drive mounts read-only unexpectedly

🟢 Low   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 14.04 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 & […]

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Debian 11 — libcompface — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcompface — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2286 Upstream summary: Buffer overflow in compface 1.5.2 and earlier allows user-assisted attackers to cause a denial of service (crash) via a long declaration in a .xbm file. […]

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