April 2021 - Page 4 of 66

Ubuntu 14.04 — sympa — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — sympa — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4442-1 Related CVEs: CVE-2018-1000550 CVE-2018-1000671 CVE-2020-10936 Upstream summary: Michael Kaczmarczik discovered that Sympa incorrectly handled HTTP GET/POST requests. An attacker could possibly use this issue to insert, edit or obtain […]

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Ubuntu 18.04 — python-rsa — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-rsa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4478-2 Related CVEs: CVE-2020-13757 Upstream summary: USN-4478-1 fixed a vulnerability in Python-RSA. This update provides the corresponding update for Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. Original […]

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SLES 12 — squashfs — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — squashfs — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4424-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-4645 CVE-2015-4646 CVE-2021-40153 CVE-2021-41072 CVE-2012-4025 CVE-2012-4024 Upstream summary: Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause […]

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SLES 15 — jackson-core — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — jackson-core — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1678-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-28491 CVE-2020-36518 CVE-2020-25649 Upstream summary: This affects the package com.fasterxml.jackson.dataformat:jackson-dataformat-cbor from 0 and before 2.11.4, from 2.12.0-rc1 and before 2.12.1. Unchecked allocation of byte buffer […]

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How to Configure Oracle Linux 8 in Google Cloud — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Oracle Linux 8 in Google Cloud

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure oracle linux 8 in google cloud both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Oracle Linux 8 in Google Cloud, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Oracle Linux 8 — postgresql:10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:10 — vulnerability — patch and remediation guide (ELSA-2021-2361)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2361 Related CVEs: CVE-2021-32027 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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How To Build a GraphQL Server in Node.js Using GraphQL-yoga and MongoDB — step-by-step Databases tutorial on Progressive Robot

How To Build a GraphQL Server in Node.js Using GraphQL-yoga and MongoDB

Most applications today have the need to fetch data from a server where that data is stored in a database. GraphQL is a new API standard that provides a more efficient, powerful and flexible alternative to REST. It allows a client fetch only the data it needs from a server. This guide explainshow to use GraphQL in your Nodejs applications in place of REST.

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FreeBSD 13 — php56-phar — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php56-phar — 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: php — multiple vulnerabilities Related CVEs: CVE-2015-5589 CVE-2015-5590 CVE-2015-6831 CVE-2015-6832 CVE-2015-6833 CVE-2015-7803 CVE-2015-7804 CVE-2015-8383  +12 more Upstream summary: The PHP Group reports: Please reference CVE/URL list for details Table of […]

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