chris

AlmaLinux 8 — rhnpush — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — rhnpush — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Common Problems 117427

Ubuntu 20.04 Broken Dependencies and Held Packages

🟡 Medium   ⏱ 5–30 min  Last verified: 15 July 2021 📖 ~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 & Cross-Refs References & Further […]

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IBM AIX 7.2 — CVE-2021-20549 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-20549 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 15 July 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-20549, IBM Support Bulletin CVE: CVE-2021-20549 NVD summary: IBM Content Navigator 3.0.CD is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering […]

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How to Set Up the ELK Stack on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up the ELK Stack 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 set up the elk stack 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 […]

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Использование CDN для ускорения загрузки статичного контента — step-by-step DevOps tutorial on Progressive Robot

Использование CDN для ускорения загрузки статичного контента

Современные веб-сайты и приложения часто должны предоставлять большое количество статичного контента конечным пользователям. Это могут быть изображения, таблицы стилей, файлы JavaScript и видео. По мере роста количества и размера таких статичных активов, значительно увеличивается…

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FreeBSD 13 — linux_base-c6_ — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux_base-c6_ — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: glibc — getaddrinfo stack-based buffer overflow Related CVEs: CVE-2015-7547 Upstream summary: Fabio Olive Leite reports: A stack-based buffer overflow was found in libresolv when invoked from nss_dns, allowing specially crafted […]

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Understanding Package Visibility in Go — step-by-step Programming tutorial on Progressive Robot

Understanding Package Visibility in Go

Visibility in the Go programming language means the file space from which a package or other construct can be referenced. In this article, you will learn how to control package visibility, as well as how to protect parts of your code that should only be used inside your package. To do this, we will create a basic logger to log and debug messages, using packages with varying degrees of item visibility.

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FreeBSD 13 — py39-twisted — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-twisted — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-twisted — cookie and authorization headers are leaked when following cross-origin redirects Upstream summary: Twisted developers report: Cookie and Authorization headers are leaked when following cross-origin redirects in twited.web.client.RedirectAgent and […]

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FreeBSD 13 — openoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — openoffice — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — arbitrary command execution vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 CVE-2007-2834 Upstream summary: iDefense reports: Remote exploitation of multiple integer overflow vulnerabilities within OpenOffice, as included in various vendors' operating […]

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openSUSE Tumbleweed — python36-jupyter-server — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-jupyter-server — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-26232 Upstream summary: Jupyter Server before version 1.0.6 has an Open redirect vulnerability. A maliciously crafted link to a jupyter server could redirect the browser […]

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