Linux

SLES 15 — libopenjpeg1 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libopenjpeg1 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2009-5030 CVE-2012-3358 CVE-2012-3535 CVE-2013-1447 CVE-2013-4289 CVE-2013-4290 CVE-2013-6045 CVE-2013-6052  +4 more Upstream summary: The tcd_free_encode function in tcd.c in OpenJPEG 1.3 through 1.5 allows remote attackers […]

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How to Configure Nginx Server Blocks on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Nginx Server Blocks on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up configure nginx server blocks on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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SLES 15 — grep — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — grep — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2015-1345 Upstream summary: The bmexec_trans function in kwset.c in grep 2.19 through 2.21 allows local users to cause a denial of service (out-of-bounds heap read […]

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Common Problems 117938

Ubuntu 18.04 LTS – netplan apply fails due to YAML indentation errors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 June 2019 Affected versions: Ubuntu 18.04 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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How to Use Ansible to Install and Set Up Apache on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Ansible to Install and Set Up Apache on Ubuntu 18.04

Ansible offers a simple architecture that doesn’t require special software to be installed on nodes. It also provides a robust set of features and built-in modules which facilitate writing automation scripts. This guide explains how to use Ansible to automate the steps contained in our guide on How To Install the Apache Web Server on Ubuntu 18.04.

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Gentoo Linux — app-text/djvu — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-text/djvu — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-36 Related CVEs: CVE-2019-15142 CVE-2019-15143 CVE-2019-15144 CVE-2019-15145 Upstream summary: Multiple vulnerabilities have been discovered in DjVu. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — quassel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

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

🟢 Low   ⏱ 5–15 min  Last verified: 18 June 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4594-1 Related CVEs: CVE-2018-1000178 CVE-2018-1000179 Upstream summary: It was discovered that Quassel incorrectly handled Qdatastream protocol. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-1000178) It […]

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