November 2021 - Page 24 of 64

Oracle Linux 8 — userspace graphics, xorg-x11, and mesa security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-1804)

• November 19, 2021
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1804 Related CVEs: CVE-2020-14347 CVE-2020-25712 CVE-2020-14344 CVE-2020-14362 CVE-2020-14345 CVE-2020-14360 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux edge — hostapd — multiple vulnerabilities (16 CVEs) — patch and remediation guide

• November 19, 2021
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.9-r3 📖 ~4 min read  •  Source: Alpine secdb entry — hostapd 2.9-r3 Related CVEs: CVE-2021-30004 CVE-2020-12695 CVE-2019-16275 CVE-2019-11555 CVE-2019-9496 CVE-2017-13077 CVE-2017-13078 CVE-2017-13079  +8 more Upstream summary: Alpine main repository for vedge ships hostapd 2.9-r3 which […]

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RHEL 8 firewalld Blocking Application Port Despite Service Running

• November 19, 2021
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 November 2021 📖 ~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 & Cross-Refs References & Further […]

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Windows Server 2019 — .NET Framework 4.8 install fails or repair leaves applications broken — Fix & Prevention

• November 19, 2021
• FreeBSD
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 November 2021 Affected versions: Windows Server 2019 📖 ~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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How to Set Up Lynis Security Auditing on SLES 12

• November 19, 2021
• SUSE Linux Enterprise
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Introduction This tutorial covers How to Set Up Lynis Security Auditing on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: […]

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Cómo enviar notificaciones push web desde aplicaciones de Django

• November 19, 2021
• Linux
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El autor seleccionó a Open Internet/Free Speech Fund para recibir una donación como parte del programa Write for DOnations. La web evoluciona de manera constante y ahora puede lograr…

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FreeBSD 13 — suphp — vulnerability — patch and remediation guide

• November 19, 2021
• BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: suPHP — Privilege escalation Related CVEs: CVE-2008-1614 Upstream summary: suPHP developer Sebastian Marsching reports: When the suPHP_PHPPath was set, mod_suphp would use the specified PHP executable to pretty-print PHP source […]

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How to Manage Multistage Environments with Ansible

• November 19, 2021
• Devops
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Ansible is a powerful configuration management system used to set up and manage infrastructure and applications in varied environments. While Ansible provides easy-to-read syntax, flexible workflows, and powerful tooling, managing large numbers of hosts that have important…

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Comment installer WordPress avec LAMP sur Ubuntu 18.04

• November 19, 2021
• Linux
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Une version précédente de ce tutoriel a été rédigée par Justin Ellingwood WordPress est le CMS (système de gestion de contenu) le plus populaire sur Internet. Il vous permet de facilement créer des blogs et des…

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Debian 11 — changetrack — vulnerability — patch and remediation guide

• November 19, 2021
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3233 Upstream summary: changetrack 4.3 allows local users to execute arbitrary commands via CRLF sequences and shell metacharacters in a filename in a directory that is checked by […]

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