How To Perform Unit Testing in Flask
Learn how to efficiently test your Flask applications using pytest to ensure robust and error-free code.
IBM AIX 7.1 — CVE-2020-4687 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 16 April 2020 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2020-4687, IBM Support Bulletin CVE: CVE-2020-4687 NVD summary: IBM Content Navigator 3.0.7 and 3.0.8 could allow an authenticated user to view cached content of another user that they should not have access […]
How to Set Up HTTPS Redirect in Apache2 on Debian 9
Introduction This guide explains how to Set Up HTTPS Redirect in Apache2 on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]
openSUSE Tumbleweed — ruby2.2-rubygem-extlib — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2013:0278-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-0156 Upstream summary: active_support/core_ext/hash/conversions.rb in Ruby on Rails before 2.3.15, 3.0.x before 3.0.19, 3.1.x before 3.1.10, and 3.2.x before 3.2.11 does not properly restrict casts […]
Указатели в Go
При написании программного обеспечения на Go вы создаете функции и методы. Данные передаются в эти функции в виде аргументов. Иногда функции требуется локальная копия данных, но при этом вы хотите, чтобы оригинал оставался без изменений. Например, если вы работаете в банке и у…
FreeBSD 12 — tidy-html — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 16 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: tidy — heap-buffer-overflow Related CVEs: CVE-2015-5522 CVE-2015-5523 Upstream summary: Geoff McLane reports: tidy is affected by a write out of bounds when processing malformed html files. This issue could be […]
Navigator’s Guide: Modular Infrastructure Configuration
The previous section used Terraform and Ansible to provision resources (Droplets, Load Balancers, and Floating IPs) and deploy your WordPress application. In this supplemental section, we discuss some ways to simplify this configuration using Terraform modules and separate infrastructure environments. There’s no code to execute and no changes to make in this section, but the concepts are important when building a real-world setup.
FreeBSD 12 — rekonq — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 16 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: kdelibs4, rekonq — input validation failure Related CVEs: CVE-2011-3365 CVE-2011-3366 Upstream summary: KDE Security Advisory reports: The default rendering type for a QLabel is QLabel::AutoText, which uses heuristics to determine […]
How to Configure Nginx as a TCP/UDP Load Balancer on Debian 10 (ON-DEBIAN-10)
Introduction Deploying configure nginx as a tcp/udp load balancer on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]
FreeBSD 12 — gdal — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 16 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: tiff — buffer overflow vulnerability Related CVEs: CVE-2004-0803 CVE-2004-0804 CVE-2004-0886 CVE-2004-1308 CVE-2005-1544 Upstream summary: A Gentoo Linux Security Advisory reports: Tavis Ormandy of the Gentoo Linux Security Audit Team discovered […]