May 2022 - Page 60 of 72

FreeBSD 13 — py37-flask-security — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py37-flask-security — 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: py-flask-security — user redirect to arbitrary URL vulnerability Related CVEs: CVE-2021-23385 Upstream summary: Snyk reports: This affects all versions of package Flask-Security. When using the `get_post_logout_redirect` and `get_post_login_redirect` functions, it […]

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How To Use the cloud provider API v2 with Ansible 2.0 on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Use the cloud provider API v2 with Ansible 2.0 on Ubuntu 16.04

Ansible 2.0 has recently been released, and with it comes support for version 2 of the cloud provider API. This means that you can use Ansible to not only provision your web applications, but also to provision and manage your Droplets automatically. This tutorial will show by example how to use Ansible’s support of the cloud provider API v2.

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Debian 11 — nikto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nikto — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2860 CVE-2018-11652 Upstream summary: Cross-site scripting (XSS) vulnerability in Nikto 1.35 and earlier allows remote attackers to inject arbitrary web script or HTML via the Server field in […]

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How to Install Cockpit Web Console on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Cockpit Web Console on Debian 11

Introduction This guide explains how to Install Cockpit Web Console on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the […]

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Ubuntu 20.04 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5069-1 Related CVEs: CVE-2021-3639 Upstream summary: It was discovered that mod-auth-mellon incorrectly filtered certain URLs. A remote attacker could possibly use this issue to perform an open redirect attack. Table […]

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Como alterar a opacidade de uma imagem de fundo do CSS — step-by-step DevOps tutorial on Progressive Robot

Como alterar a opacidade de uma imagem de fundo do CSS

Com o CSS e o CSS3, é possível fazer muitas coisas, mas definir a opacidade em uma tela de fundo do CSS não é uma delas. No entanto, se você for criativo, existem várias alternativas criativas que darão a impressão de que a opacidade da imagem de fundo do CSS está sendo alterada. Ambos os métodos a seguir têm…

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SLES 12 — wayland-devel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — wayland-devel — vulnerability — 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-2023:1860-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3782 Upstream summary: An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The […]

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