2021 - Page 515 of 759

Arch Linux — libxml2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libxml2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 1, 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-201611-2 Related CVEs: CVE-2016-5131 CVE-2016-4658 CVE-2020-7595 CVE-2020-24977 CVE-2019-20388 CVE-2018-9251 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.9.4+4+g3169602-1. Fixed in: 2.9.4+12+ge905f08-1. Group: AVG-56. Table of contents Symptom & Impact […]

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Java 15 Features — step-by-step Programming tutorial on Progressive Robot

Java 15 Features

URL: https://www.progressiverobot.com/java-15-features/ Keeping up with the six-month cycle tradition, after the release of [Java 14](/community/tutorials/java-14-features#5-text-blocks-preview) on March 17, 2020, we now have Java 15, the next non-LTS version rolling out on September 15, 2020. Java 15 Features Here's a quick look at features that are a part of Java 15: Sealed Classes (Preview) – JEP […]

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Ubuntu 20.04 — libspf2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libspf2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 1, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6584-1 Related CVEs: CVE-2021-20314 CVE-2021-33912 CVE-2021-33913 Upstream summary: Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into […]

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Oracle Linux 8 — grafana security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4226)

  • April 30, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 30 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4226 Related CVEs: CVE-2021-33195 CVE-2021-34558 CVE-2021-27358 CVE-2021-3114 CVE-2021-33197 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Common Problems 118094

Ubuntu 18.04 VPN connection fails to establish

  • April 30, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 30 April 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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AlmaLinux 8 — python-lit — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-lit — vulnerability — patch and remediation guide

  • April 30, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4743 Related CVEs: CVE-2021-42574 Upstream summary: LLVM Toolset provides the LLVM compiler infrastructure framework, the Clang compiler for the C and C++ languages, the LLDB debugger, and related tools for code analysis. […]

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How to Install CockroachDB on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install CockroachDB on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install cockroachdb on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install CockroachDB on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Common Problems 115566

RHEL 7 yum Dependency Conflict with EPEL Packages

  • April 30, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 30 April 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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Oracle Linux 8 — librepo — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — librepo — vulnerability — patch and remediation guide (ELSA-2020-3658)

  • April 30, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 30 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3658 Related CVEs: CVE-2020-14352 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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