Logging Monitoring

Ubuntu 14.04 — db5.3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — db5.3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4004-2 Related CVEs: CVE-2019-8457 CVE-2017-10140 Upstream summary: USN-4004-1 fixed a vulnerability in Berkeley DB. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered […]

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Ubuntu 14.04 — spice — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — spice — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4572-2 Related CVEs: CVE-2020-14355 CVE-2019-3813 CVE-2018-10873 CVE-2017-12194 CVE-2017-7506 CVE-2016-9577 CVE-2016-9578 CVE-2016-0749  +4 more Upstream summary: USN-4572-1 fixed a vulnerability in Spice. This update provides the corresponding update for Ubuntu 14.04 […]

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Ubuntu 14.04 — ruby2.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ruby2.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 June 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3685-2 Related CVEs: CVE-2017-0903 https://bugs.launchpad.net/ubuntu/+source/ruby2.0/+bug/1777174 CVE-2019-8320 CVE-2019-8321 CVE-2019-8322 CVE-2019-8323 CVE-2019-8324 CVE-2019-8325  +12 more Upstream summary: USN-3685-1 fixed a vulnerability in Ruby. The fix for CVE-2017-0903 introduced a regression in Ruby. […]

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SLES 15 — dovecot23 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — dovecot23 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 June 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0414-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-3814 CVE-2017-14461 CVE-2019-11500 CVE-2020-10957 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2020-24386  +12 more Upstream summary: It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client […]

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Oracle Linux 8 — usbguard — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — usbguard — vulnerability — patch and remediation guide (ELSA-2023-0087)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 June 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0087 Related CVEs: CVE-2019-25058 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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Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2020-4634)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 June 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4634 Related CVEs: CVE-2019-17546 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 — dev-python/reportlab — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/reportlab — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-35 Related CVEs: CVE-2019-17626 Upstream summary: ReportLab was found to be mishandling XML documents and may evaluate the contents without checking for their safety. Table of contents Symptom & Impact Environment & […]

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How to Configure HTTP/2 on Nginx on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure HTTP/2 on Nginx on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure http/2 on nginx on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and […]

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Common Problems 121092

Debian 10 – DNS resolution fails with systemd-resolved misconfiguration

🟠 High   ⏱ 5–30 min  Last verified: 27 June 2020 Affected versions: Debian 10 📖 ~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 119127

Ubuntu 14.04 LTS – out of memory kills processes during builds

🟠 High   ⏱ 5–30 min  Last verified: 27 June 2020 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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