December 2021 - Page 62 of 71

Ubuntu 18.04 — zsh — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — zsh — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5325-1 Related CVEs: CVE-2019-20044 CVE-2021-45444 CVE-2018-0502 CVE-2018-1100 CVE-2018-13259 Upstream summary: Sam Foxman discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to regain dropped privileges. […]

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How to Configure XFS File System on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure XFS File System on Debian 9

Introduction How to Configure XFS File System on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]

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How To Use Many-to-Many Database Relationships with Flask and SQLite — step-by-step Databases tutorial on Progressive Robot

How To Use Many-to-Many Database Relationships with Flask and SQLite

In this tutorial, you’ll modify an application built using Flask and SQLite by adding a Many-to-Many relationship to it. A many-to-many database relationship is a relationship between two tables where a record in each table can reference several records in the other table. For example, in a blog, a table for posts can have a many-to-many relationship with a table for storing authors.

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Ubuntu 18.04 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — librecad — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5957-1 Related CVEs: CVE-2018-19105 CVE-2021-21898 CVE-2021-21899 CVE-2021-21900 CVE-2021-45341 CVE-2021-45342 CVE-2021-45343 Upstream summary: Cody Sixteen discovered that LibreCAD incorrectly handled memory when parsing DXF files. An attacker could use this issue […]

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FreeBSD 12 — mysql-connector-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mysql-connector-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 CVE-2021-22926 CVE-2021-22931 CVE-2021-22946  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 34 new security patches, plus […]

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FreeBSD 13 — netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — netscape — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-0722 CVE-2004-0757  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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FreeBSD 13 — py27-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py27-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Django — potential SQL injection vulnerability Related CVEs: CVE-2012-3442 CVE-2012-3443 CVE-2012-3444 CVE-2013-0305 CVE-2013-0306 CVE-2013-1443 CVE-2013-1664 CVE-2013-1665  +12 more Upstream summary: MITRE CVE reports: Django 1.11 before 1.11.29, 2.2 before 2.2.11, […]

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Debian 11 — zabbix — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zabbix — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-6692 CVE-2006-6693 CVE-2007-0640 CVE-2007-6210 CVE-2008-1353 CVE-2009-4498 CVE-2009-4499 CVE-2009-4500  +12 more Upstream summary: Multiple format string vulnerabilities in zabbix before 20061006 allow attackers to cause a denial of service […]

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How to Configure Blackbox Exporter on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Blackbox Exporter on Debian 9

Introduction Deploying configure blackbox exporter on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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