Linux

openSUSE Tumbleweed — libvorbis0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

• June 24, 2019
• Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2008:012 (see also SUSE bugzilla) Related CVEs: CVE-2008-1423 CVE-2007-3106 CVE-2008-1419 CVE-2008-1420 CVE-2009-3379 CVE-2017-14160 CVE-2017-14632 CVE-2018-10392  +2 more Upstream summary: Integer overflow in a certain quantvals and quantlist calculation in Xiph.org libvorbis 1.2.0 […]

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How to Install SQLite3 on Debian 9

• June 24, 2019
• Linux
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Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install sqlite3 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 the resulting […]

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Ubuntu 14.04 LTS Apache returns 500 Internal Server Error

• June 23, 2019
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 23 June 2019 📖 ~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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Security Checkpoint

• June 23, 2019
• Linux
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This checkpoint is intended to help you assess what you learned from our introductory articles to Security, where we introduced recommended security practices and commonly used security tools.

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Amazon Linux 2 — perl-XML-Parser — multiple vulnerabilities (2 CVEs) — patch and remediation guide

• June 23, 2019
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3230 Related CVEs: CVE-2006-10002 CVE-2006-10003 Upstream summary: XML::Parser versions through 2.47 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes. A […]

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Debian 9 — cyrus-sasl2 — vulnerability — patch and remediation guide

• June 23, 2019
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 23 June 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-19906 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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Ubuntu 14.04 — glusterfs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• June 23, 2019
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 23 June 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4770-1 Related CVEs: CVE-2014-3619 CVE-2018-10841 CVE-2018-1088 CVE-2018-10904 CVE-2018-10907 CVE-2018-10911 CVE-2018-10913 CVE-2018-10914  +12 more Upstream summary: It was discovered that GlusterFS incorrectly handled network requests. An attacker could possibly use this […]

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SLES 15 — libICE6 — vulnerability — patch and remediation guide

• June 23, 2019
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 23 June 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1835-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-2626 Upstream summary: It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw […]

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How To Configure a Galera Cluster with MySQL 5.6 on Ubuntu 16.04

• June 23, 2019
• Linux
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Clustering adds high availability to your database by distributing changes to different servers. In the event that one of the instances fails, others are already available to continue serving. Clusters come in two general…

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How to Configure BGP Routing with BIRD on RHEL 7

• June 22, 2019
• Linux
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How to Configure BGP Routing with BIRD on RHEL 7 Border Gateway Protocol (BGP) is the routing protocol that underpins the modern internet, enabling routers in different autonomous systems to exchange network reachability information. While large-scale BGP deployments typically run on dedicated hardware, Linux systems running RHEL 7 can participate in BGP routing using software […]

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