February 2021 - Page 27 of 62

SLES 12 — mysql-connector-java — multiple vulnerabilities (8 CVEs) — patch and remediation guide

• February 17, 2021
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:2591-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-3523 CVE-2021-2471 CVE-2020-2875 CVE-2020-2933 CVE-2020-2934 CVE-2015-2575 CVE-2017-3586 CVE-2017-3589 Upstream summary: Vulnerability in the MySQL Connectors component of Oracle MySQL (subcomponent: Connector/J). Supported versions that are […]

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How to Backup and Restore Data of a DOKS Cluster Using Velero

• February 17, 2021
• Kubernetes
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In this tutorial, you will learn how to deploy Velero to your Kubernetes cluster, create backups, and recover from a backup if something goes wrong. You can back up your entire cluster, or optionally choose a namespace or label selector to back up.

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How to Deploy an Application to Kubernetes on RHEL 7

• February 17, 2021
• Linux
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How to Deploy an Application to Kubernetes on RHEL 7 Deploying applications to Kubernetes involves more than simply running a container — it means defining how many replicas should run, how the application is exposed to network traffic, how it recovers from failure, and how updates are rolled out without downtime. Kubernetes provides two core […]

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Como usar parâmetros de consulta em Angular

• February 17, 2021
• Javascript
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Neste artigo, vamos fazer referência a um exemplo de uma aplicação que exibe uma lista de produtos para entender como usar parâmetros de consulta.

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Oracle Linux 8 — virt:ol and virt-devel:ol — security and stability fixes — required update (ELSA-2023-3822)

• February 16, 2021
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3822 Related CVEs: CVE-2023-2700 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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Gentoo Linux — net-p2p/deluge — vulnerability — patch and remediation guide

• February 16, 2021
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202210-07 Related CVEs: CVE-2021-3427 Upstream summary: Deluge does not sufficiently sanitize crafted torrent file data, leading to the application interpreting untrusted data as HTML. Table of contents Symptom & Impact Environment & […]

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RHEL 8 Postfix Mail Queue Stuck Due To DNS And Firewall Constraints

• February 16, 2021
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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IBM AIX 7.1 — CVE-2021-38877 — xss — patch and remediation guide

• February 16, 2021
• Tutorials
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🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-38877, IBM Support Bulletin CVE: CVE-2021-38877 NVD summary: IBM Jazz for Service Management 1.1.3.10 is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web […]

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RHEL 8 Firewalld Blocks Application Port After Policy Change

• February 16, 2021
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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FreeBSD 12 — nomad — vulnerability — patch and remediation guide

• February 16, 2021
• BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nomad — multiple vulnerabilities Related CVEs: CVE-2020-27195 Upstream summary: The HashiCorp team reports: artifact: Fixed a bug where interpolation can be used in the artifact destination field to write artifact […]

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