July 2021 - Page 43 of 69

Amazon Linux 2 — libfastjson — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libfastjson — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2079 Related CVEs: CVE-2020-12762 Upstream summary: A flaw was found in json-c. In printbuf_memappend, certain crafted values can overflow the memory allowing an attacker to write past the memory boundary. […]

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Gentoo Linux — net-mail/isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-mail/isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-15 Related CVEs: CVE-2021-3578 CVE-2021-3657 CVE-2021-20247 CVE-2021-44143 Upstream summary: Multiple vulnerabilities have been discovered in isync. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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Common Problems 113903

RHEL 10 – systemd service stuck in activating state after boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10 📖 ~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 & […]

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Arch Linux — python — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — python — multiple vulnerabilities (3 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-201906-17 Related CVEs: CVE-2019-9636 CVE-2021-3177 CVE-2021-23336 Upstream summary: Type: information disclosure. Status: Fixed. Affected: 3.7.2-1. Fixed in: 3.7.3-1. Group: AVG-977. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Install Jupyter Notebook on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Jupyter Notebook on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install jupyter notebook on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Arch Linux — tomcat9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — tomcat9 — multiple vulnerabilities (2 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-202006-7 Related CVEs: CVE-2020-9484 CVE-2020-17527 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 9.0.31-1. Fixed in: 9.0.35-1. Group: AVG-1171. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 113417

Windows Server 2012 R2 — MSI install fails with error 1603 fatal error during installation — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 04 June 2027 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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FreeBSD 13 — mod_auth_mellon — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_auth_mellon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_auth_mellon — Redirect URL validation bypass Related CVEs: CVE-2019-13038 Upstream summary: Jakub Hrozek reports: Version 0.17.0 and older of mod_auth_mellon allows the redirect URL validation to be bypassed by specifying […]

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FreeBSD 13 — rubygem-kaminari-core — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-kaminari-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kaminari — potential XSS vulnerability Related CVEs: CVE-2020-11082 Upstream summary: Kaminari Security Advisories: There was a vulnerability in versions of Kaminari that would allow an attacker to inject arbitrary code […]

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Настройка Jupyter Notebook с помощью Python 3 в Ubuntu 20.04 и подключение через туннель SSH — step-by-step Linux tutorial on Progressive Robot

Настройка Jupyter Notebook с помощью Python 3 в Ubuntu 20.04 и подключение через туннель SSH

Jupyter Notebook — веб-приложение с открытым исходным кодом, позволяющее создавать интерактивный код, визуализации и другие элементы и делиться ими. Этот инструмент можно использовать с несколькими языками программирования, включая Python, Julia, R, Haskell…

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