Exploring Trees via JavaScript
Using JavaScript, you’ll get a conceptual overview of one of the most common data structures that you already deal with daily: trees 🌲.
openSUSE Tumbleweed — grep — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2015-1345 Upstream summary: The bmexec_trans function in kwset.c in grep 2.19 through 2.21 allows local users to cause a denial of service (out-of-bounds heap read […]
Java 9 Features with Examples
URL: https://www.progressiverobot.com/java-9-features-with-examples/ Java 9 is a major release and it has brought us a lot of features for developers. In this article, we will look into Java 9 features in detail. Java 10 has been released, for a complete overview of Java 10 release, go through [Java 10 Features](/community/tutorials/java-10-features). Java 9 Features  […]
FreeBSD 12 — procmail — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 15 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: procmail — Heap-based buffer overflow Related CVEs: CVE-2017-16844 Upstream summary: MITRE reports: A remote attacker could use a flaw to cause formail to crash, resulting in a denial of service […]
JAMstack: The What, the Why and the How
Web development often involves the use of different development stacks, including the LAMP stack, the MEAN stack, the MERN stack, etc. JAMstack is another stack that offers some unique benefits to developers. This article will discuss those benefits and some general…
Gentoo Linux — dev-perl/File-Find-Rule — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202506-10 Related CVEs: CVE-2011-10007 Upstream summary: File-Find-Rule uses the legacy '2-arg' open() call which is susceptible to shell injection via malicious filenames. Table of contents Symptom & Impact Environment & Reproduction Root […]
FreeBSD 12 — racoon — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 15 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: racoon — remote denial-of-service Related CVEs: CVE-2004-0155 CVE-2004-0164 CVE-2004-0183 CVE-2004-0184 CVE-2004-0392 CVE-2004-0403 CVE-2005-0398 Upstream summary: Sebastian Krahmer discovered that the racoon ISAKMP daemon could be crashed with a maliciously crafted […]
How To Serve Flask Applications with Gunicorn and Nginx on Ubuntu 14.04
In this guide, we will be setting up a simple Python application using the Flask micro-framework on Ubuntu 14.04. The bulk of this article will be about how to set up the Gunicorn application server to launch the application and Nginx to act as a front end reverse…
FreeBSD 12 — pdfjam — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 15 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pdfjam — insecure temporary files Related CVEs: CVE-2008-5743 Upstream summary: Secunia reports: Some security issues have been reported in PDFjam, which can be exploited by malicious, local users to perform […]
Gentoo Linux — sys-cluster/libqb — vulnerability — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-03 Related CVEs: CVE-2019-12779 Upstream summary: It was discovered that libqb used predictable filenames (under /dev/shm and /tmp) without O_EXCL. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
