chris

Ubuntu 16.04 — gsl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gsl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6472-1 Related CVEs: CVE-2020-35357 Upstream summary: It was discovered that GNU Scientific Library incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially […]

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Python 2 vs Python 3: Practical Considerations — step-by-step Python tutorial on Progressive Robot

Python 2 vs Python 3: Practical Considerations

Python is an extremely readable and versatile programming language. While Python 2.7 and Python 3 share many similar capabilities, they should not be thought of as entirely interchangeable. This article will take you through the key differences to consider when choosing on whether to work in Python 2 or Python 3 for your development projects.

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Ubuntu 18.04 — postgresql-common — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — postgresql-common — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4194-1 Related CVEs: CVE-2019-3466 Upstream summary: Rich Mirch discovered that the postgresql-common pg_ctlcluster script incorrectly handled directory creation. A local attacker could possibly use this issue to escalate privileges. Table […]

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openSUSE Tumbleweed — libXfixes3 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libXfixes3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1097-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1983 Upstream summary: Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via […]

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How To Use Primary Keys in SQL — step-by-step DevOps tutorial on Progressive Robot

How To Use Primary Keys in SQL

In SQL, primary keys serve as identifiers for individual rows in a table. In this tutorial, you’ll learn about primary keys and use a few different kinds to identify unique rows in database tables. Using some sample datasets, you’ll create primary keys on single columns and multiple columns, and use autoincrementing sequential keys.

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Ubuntu 18.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4899-1 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 Upstream summary: Damian Lukowski discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were […]

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How to Install Python 3.7 on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install Python 3.7 on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install python 3.7 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 the […]

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SLES 12 — iproute2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — iproute2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:3452-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-20795 Upstream summary: iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, […]

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