ubuntu

Ubuntu 16.04 — lxml — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lxml — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5225-1 Related CVEs: CVE-2021-43818 CVE-2021-28957 CVE-2020-27783 CVE-2018-19787 Upstream summary: It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to execute […]

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Установка Node.js в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка Node.js в Ubuntu 20.04

Node.js — это среда выполнения JavaScript для программирования на стороне сервера. Она позволяет разработчикам создавать масштабируемый серверный функционал с помощью JavaScript, языка, который многим уже знаком по веб-разработке под браузер. В этом…

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Ubuntu 16.04 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 October 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5957-1 Related CVEs: CVE-2018-19105 CVE-2021-21898 CVE-2021-21899 CVE-2021-21900 CVE-2021-45341 CVE-2021-45342 CVE-2021-45343 Upstream summary: Cody Sixteen discovered that LibreCAD incorrectly handled memory when parsing DXF files. An attacker could use this issue […]

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Common Problems 119068

Ubuntu 14.04 LTS – network interface does not come up after reboot

🟠 High   ⏱ 5–30 min  Last verified: 19 October 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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Common Problems 118960

Ubuntu 14.04 LTS SSH Login Hangs After Banner Update

🟡 Medium   ⏱ 5–30 min  Last verified: 19 October 2021 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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Common Problems 117587

Ubuntu 20.04 LTS – CA certificate trust chain errors break HTTPS endpoints – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 October 2021 Affected versions: Ubuntu 20.04 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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Ubuntu 18.04 — svgpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — svgpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6178-1 Related CVEs: CVE-2019-6246 CVE-2021-44960 Upstream summary: It was discovered that in SVG++ library that the demo application incorrectly managed memory resulting in a memory access violation under certain circumstances. […]

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Common Problems 117905

Ubuntu 18.04 LTS – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 18 October 2021 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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Ubuntu 20.04 — libzen — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libzen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 October 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6048-1 Related CVEs: CVE-2020-36646 Upstream summary: It was discovered that ZenLib doesn't check the return value of a specific operation before using it. An attacker could use a specially crafted […]

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Ubuntu 20.04 — libgcrypt20 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libgcrypt20 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 October 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5080-1 Related CVEs: CVE-2021-33560 CVE-2021-40528 Upstream summary: It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An attacker could possibly use this issue to recover sensitive information. Table of contents […]

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