January 2021 - Page 51 of 63

Arch Linux — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• January 7, 2021
• Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202101-5 Related CVEs: CVE-2020-16044 CVE-2020-26969 CVE-2020-26968 CVE-2020-26967 CVE-2020-26965 CVE-2020-26963 CVE-2020-26962 CVE-2020-26961  +12 more Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 84.0.1-1. Fixed in: 84.0.2-1. Group: AVG-1413. Table of […]

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How to Configure Windows Server 2019 for SAML/SSO Integration

• January 7, 2021
• Tutorials
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Understanding SAML/SSO Integration on Windows Server 2019 Security Assertion Markup Language (SAML) 2.0 enables Single Sign-On (SSO) between an Identity Provider (IdP) and Service Providers (SPs). Active Directory Federation Services (AD FS) on Windows Server 2019 acts as a SAML 2.0 Identity Provider, allowing users to authenticate once with their on-premises Active Directory credentials and […]

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Oracle Linux 8 — dotnet security and bugfix update (ELSA-2021-0788)

• January 6, 2021
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 6 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0788 Related CVEs: CVE-2021-26701 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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Ubuntu 18.04 LTS high CPU from runaway systemd service

• January 6, 2021
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 6 January 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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RHEL 7 NFS Access Denied By firewalld Missing Ports

• January 6, 2021
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 6 January 2021 Affected versions: RHEL 7 📖 ~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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XFS filesystem unexpectedly mounted read-only

• January 6, 2021
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 6 January 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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How to Set Up Datadog Agent on Oracle Linux 8

• January 6, 2021
• Oracle Linux
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Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up datadog agent on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Datadog Agent on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Copying Text with vue-clipboard2

• January 6, 2021
• Javascript
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Copying text in a web app is oddly difficult. Do it simply using Vue.js with vue-clipboard2!

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Debian 10 — libxmlrpc3-java — vulnerability — patch and remediation guide

• January 6, 2021
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 January 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17570 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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Ubuntu 18.04 — libhibernate3-java — vulnerability — patch and remediation guide

• January 6, 2021
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 6 January 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6845-1 Related CVEs: CVE-2020-25638 Upstream summary: It was discovered that Hibernate incorrectly handled certain inputs with unsanitized literals. If a user or an automated system were tricked into opening a […]

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