September 2021 - Page 11 of 66

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

Debian 11 — abcmidi — 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-2004-1256 CVE-2006-1514 Upstream summary: Multiple buffer overflows in the (1) event_text and (2) event_specific functions in abc2midi 2004.12.04 allow remote attackers to execute arbitrary code via crafted ABC […]

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How to Write a Custom SELinux Policy Module on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Write a Custom SELinux Policy Module on RHEL 10

Introduction How to Write a Custom SELinux Policy Module on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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Java Web Services Tutorial — step-by-step Programming tutorial on Progressive Robot

Java Web Services Tutorial

URL: https://www.progressiverobot.com/java-web-services-tutorial/ Welcome to the Java Web Services Tutorial. Here we will learn about web services, useful concepts in web services and then different types of API we have in Java to create web services. What is a Web Service In simple words, services that can be accessed over network are called web services. So […]

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Debian 11 — evolution-ews — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — evolution-ews — vulnerability — 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-2019-3890 Upstream summary: It was discovered evolution-ews before 3.31.3 does not check the validity of SSL certificates. An attacker could abuse this flaw to get confidential information by […]

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Debian 11 — waagent — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — waagent — vulnerability — 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-2019-0804 Upstream summary: An information disclosure vulnerability exists in the way Azure WaLinuxAgent creates swap files on resource disks, aka 'Azure Linux Agent Information Disclosure Vulnerability'. Table of […]

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

Debian 11 — ompl — 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-2021-41490 CVE-2021-42218 Upstream summary: Memory leaks in LazyPRM.cpp of OMPL v1.5.0 can cause unexpected behavior. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Ubuntu 20.04 — screen — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — screen — 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-4747-1 Related CVEs: CVE-2021-26937 Upstream summary: Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, […]

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How to Install Deno on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Deno on RHEL 9

Deno is a modern JavaScript and TypeScript runtime built on V8 and Rust. Created by Ryan Dahl (the original creator of Node.js), Deno addresses design decisions he regretted in Node.js: Deno has first-class TypeScript support with no build step required, uses ES modules exclusively (no CommonJS), has a secure-by-default permissions model (scripts cannot access the […]

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