ubuntu

Common Problems 119096

Ubuntu 14.04 LTS – LVM volumes fail to activate at boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 July 2021 Affected versions: Ubuntu 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 117611

Ubuntu 20.04 LTS – PHP-FPM pool crashes under load with memory limit issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 7 July 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 — python-pysaml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-pysaml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 July 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5066-1 Related CVEs: CVE-2021-21239 CVE-2020-5390 Upstream summary: Brian Wolff discovered that PySAML2 incorrectly validated cryptographic signatures. A remote attacker could possibly use this issue to alter SAML documents. Table of […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7246-1 Related CVEs: CVE-2020-11022 CVE-2020-11023 Upstream summary: It was discovered that jQuery incorrectly handled parsing untrusted HTML. A remote attacker could possibly use this issue to execute arbitrary code. Table […]

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Ubuntu 20.04 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4843-1 Related CVEs: CVE-2014-9218 CVE-2016-6609 CVE-2016-6619 CVE-2016-6630 CVE-2016-9849 CVE-2016-9866 CVE-2017-18264 CVE-2017-1000014  +12 more Upstream summary: Javier Nieto and Andres Rojas discovered that phpMyAdmin incorrectly managed input in the form of […]

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Ubuntu 16.04 — libjpeg-turbo — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libjpeg-turbo — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 July 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5553-1 Related CVEs: CVE-2018-11813 CVE-2018-14498 CVE-2020-14152 CVE-2020-17541 CVE-2020-13790 CVE-2018-19664 CVE-2018-20330 CVE-2019-2201  +7 more Upstream summary: It was discovered that libjpeg-turbo was not properly handling EOF characters, which could lead to […]

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