Linux

Oracle Linux 8 — gnome-software and fwupd security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gnome-software and fwupd security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4436)

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4436 Related CVEs: CVE-2020-10759 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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Debian 11 — libdata-formvalidator-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libdata-formvalidator-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2201 Upstream summary: The Data::FormValidator module 4.66 and earlier for Perl, when untaint_all_constraints is enabled, does not properly preserve the taint attribute of data, which might allow remote […]

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Debian 11 — aircrack-ng — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — aircrack-ng — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-2057 CVE-2010-1159 CVE-2014-8321 CVE-2014-8322 CVE-2014-8323 CVE-2014-8324 Upstream summary: Stack-based buffer overflow in aircrack-ng airodump-ng 0.7 allows remote attackers to execute arbitrary code via crafted 802.11 authentication packets. Table […]

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Alpine Linux edge — mumble — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mumble — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.3.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mumble 1.3.4-r0 Related CVEs: CVE-2021-27229 CVE-2018-20743 Upstream summary: Alpine community repository for vedge ships mumble 1.3.4-r0 which addresses CVE-2021-27229. Table of contents Symptom & Impact […]

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SLES 15 — libnettle6 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libnettle6 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 December 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:254-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3580 CVE-2021-20305 CVE-2015-8803 CVE-2015-8804 CVE-2015-8805 CVE-2016-6489 CVE-2018-16869 Upstream summary: A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An […]

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AlmaLinux 8 — mailman — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mailman — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4916 Related CVEs: CVE-2021-44227 CVE-2021-42096 CVE-2021-42097 Upstream summary: Mailman is a program used to help manage e-mail discussion lists. Security Fix(es): * mailman: CSRF token bypass allows to perform CSRF attacks and […]

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How To Use PostgreSQL With Node.js on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Use PostgreSQL With Node.js on Ubuntu 20.04

The Node.js ecosystem provides a set of tools for interfacing with databases. One of those tools is _node-postgres_, which contains modules that allow Node.js to interface with the PostgreSQL database. In this tutorial, you’ll use `node-postgres` to connect and query the PostgreSQL database. You will then connect your application to the Postgres database using the `node-postgres` module. Afterwards, you will use `node-postgres` to insert, retrieve, and modify data in the PostgreSQL database.

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Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide (ELSA-2021-2375)

🟠 High   ⏱ 15–60 min  Last verified: 9 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2375 Related CVEs: CVE-2021-32027 CVE-2021-32029 CVE-2021-32028 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Arch Linux — grafana — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — grafana — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202112-11 Related CVEs: CVE-2021-43815 CVE-2021-43813 CVE-2021-43798 CVE-2018-19039 CVE-2021-41244 CVE-2021-41174 CVE-2019-15043 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 8.3.0-1. Fixed in: 8.3.1-1. Group: AVG-2609. Table of contents Symptom & Impact […]

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Oracle Linux 8 — dnf — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dnf — security and stability fixes — required update (ELSA-2021-4464)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4464 Related CVEs: CVE-2021-3445 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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