January 2022 - Page 4 of 72

Amazon Linux 2 — java-1.7.0-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — java-1.7.0-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1731 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2018-3136 CVE-2018-3139 CVE-2018-3149 CVE-2018-3169 CVE-2018-3180 CVE-2018-3214  +12 more Upstream summary: No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or […]

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

Debian 11 — php-htmlpurifier — 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-2010-2479 CVE-2010-4183 Upstream summary: Cross-site scripting (XSS) vulnerability in HTML Purifier before 4.1.1, as used in Mahara and other products, when the browser is Internet Explorer, allows remote […]

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Debian 11 — rpcbind — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rpcbind — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2061 CVE-2010-2064 CVE-2015-7236 CVE-2017-8779 Upstream summary: rpcbind 0.2.0 does not properly validate (1) /tmp/portmap.xdr and (2) /tmp/rpcbind.xdr, which can be created by an attacker before the daemon is […]

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How to Secure Nginx with Let's Encrypt on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on FreeBSD 13

Introduction Deploying secure nginx with let’s encrypt on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]

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

Debian 11 — exuberant-ctags — 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-2014-7204 CVE-2022-4515 Upstream summary: jscript.c in Exuberant Ctags 5.8 allows remote attackers to cause a denial of service (infinite loop and CPU and disk consumption) via a crafted […]

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Ubuntu 20.04 — node-qs — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-qs — 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-7693-1 Related CVEs: CVE-2022-24999 Upstream summary: Nathanael Braun and Johan Brissaud discovered that qs was vulnerable to prototype pollution. A remote attacker could possibly use this issue to cause a […]

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How To Protect an Nginx Server with Fail2Ban on Rocky Linux 8 — step-by-step Linux tutorial on Progressive Robot

How To Protect an Nginx Server with Fail2Ban on Rocky Linux 8

In this guide, you will learn how to install `fail2ban` on a Rocky Linux 8 server and configure it to monitor your Nginx logs for intrusion attempts. Fail2ban can significantly mitigate brute force attacks by creating rules that automatically alter your firewall configuration to ban specific IPs after a certain number of unsuccessful login attempts. This will allow your server to harden itself against these access attempts without intervention from you.

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Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 CVE-2014-8962 CVE-2014-9028 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, […]

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How to Set Up Windows Server 2019 Services Management — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Services Management

How to Set Up Windows Server 2019 Services Management Windows services are long-running background processes that start automatically with the operating system and provide core functionality such as networking, security, event logging, and application hosting. Managing Windows services effectively on Windows Server 2019 — including configuring startup types, recovery actions, dependencies, service accounts, and monitoring […]

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