Binary Search Trees Through JavaScript
Using JavaScript, you’ll learn how to efficiently organize the values in your tree structures with binary search trees.
FreeBSD 13 — py36-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 24 December 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-twisted — multiple vulnerabilities Related CVEs: CVE-2019-12387 CVE-2019-9512 CVE-2019-9514 CVE-2019-9515 CVE-2020-10108 CVE-2020-10109 Upstream summary: Twisted developers reports: All HTTP clients in twisted.web.client now raise a ValueError when called with a […]
FreeBSD 12 — py36-ansible — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 24 December 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Ansible — Ansible user credentials disclosure in ansible-connection module Related CVEs: CVE-2020-10744 CVE-2021-3583 CVE-2021-3620 Upstream summary: Red Hat reports: A flaw was found in Ansible Engine's ansible-connection module, where sensitive […]
Debian 11 — sigil — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-14452 Upstream summary: Sigil before 0.9.16 is vulnerable to a directory traversal, allowing attackers to write arbitrary files via a ../ (dot dot slash) in a ZIP archive […]
How To Use Sequelize with Node.js and MySQL
Learn how to use Sequelize ORM with Node.js and MySQL to define models, manage databases, and perform CRUD operations efficiently.
How to Configure Blacklistd on FreeBSD 13
Introduction This guide explains how to Configure Blacklistd on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]
Debian 11 — python-oslo.middleware — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-2592 Upstream summary: python-oslo-middleware before versions 3.8.1, 3.19.1, 3.23.1 is vulnerable to an information disclosure. Software using the CatchError class could include sensitive values in a traceback's error […]
How To Set Doctype in HTML5
Here’s a reference for the HTML5 doctype.
Debian 11 — php-doctrine-bundle — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 24 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-5723 Upstream summary: Doctrine Annotations before 1.2.7, Cache before 1.3.2 and 1.4.x before 1.4.2, Common before 2.4.3 and 2.5.x before 2.5.1, ORM before 2.4.8 or 2.5.x before 2.5.1, […]
Alpine Linux edge — gd — multiple vulnerabilities (9 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.3.0-r1 📖 ~4 min read • Source: Alpine secdb entry — gd 2.3.0-r1 Related CVEs: CVE-2021-38115 CVE-2021-40145 CVE-2019-11038 CVE-2018-14553 CVE-2017-6363 CVE-2018-5711 CVE-2019-6977 CVE-2019-6978 +1 more Upstream summary: Alpine main repository for vedge ships gd 2.3.0-r1 which […]
