URL: https://www.progressiverobot.com/min-heap-binary-tree/ A Min Heap Binary Tree is a Binary Tree where the root node has the minimum key in the tree. The above definition holds true for all sub-trees in the tree. This is called the Min Heap property. Almost every node other than the last two layers must have two children. That is, […]
🟡 Medium ⏱ 10–30 min Last verified: 16 October 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4818-1 Related CVEs: CVE-2019-15939 CVE-2019-14491 CVE-2017-18009 CVE-2019-14492 CVE-2019-14493 Upstream summary: It was discovered that OpenCV did not properly manage certain objects, leading to a divide-by-zero. If a user were tricked […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-18 Related CVEs: CVE-2017-14648 Upstream summary: A crafted file could cause a buffer overflow in the iteration_loop function in BladeEnc. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
Предыдущая версия данного обучающего руководства была написана Бренненом Бернсом. Composer — это популярный менеджер зависимостей PHP, который упрощает процесс установки и обновления зависимостей…
🟢 Low ⏱ 5–15 min Last verified: 15 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: Postfix — memory corruption vulnerability Related CVEs: CVE-2011-0411 CVE-2011-1720 Upstream summary: The Postfix SMTP server has a memory corruption error, when the Cyrus SASL library is used with authentication mechanisms […]
Introduction This tutorial covers How to Register SLES 15 with SUSE Customer Center on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]
🟢 Low ⏱ 5–15 min Last verified: 15 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: pycrypto — PRNG reseed race condition Related CVEs: CVE-2013-1445 Upstream summary: Dwayne Litzenberger reports: In PyCrypto before v2.6.1, the Crypto.Random pseudo-random number generator (PRNG) exhibits a race condition that may […]
In PHP, as in all programming languages, data types are used to classify one particular type of data. This is important because the specific data type you use will determine what values you can assign to it and what you can do to it (including what operations you can perform on it). In this tutorial, we will go over the important data types native to PHP. This is not an exhaustive investigation of data types, but will help you become familiar with what options you have available to you in PHP.
🟢 Low ⏱ 5–15 min Last verified: 15 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: hafiye — lack of terminal escape sequence filtering Upstream summary: A siyahsapka.org advisory reads: Hafiye-1.0 doesnt filter the payload when printing it to the terminal. A malicious attacker can send […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2019:0163-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-1000021 Upstream summary: slixmpp version before commit 7cd73b594e8122dddf847953fcfc85ab4d316416 contains an incorrect Access Control vulnerability in XEP-0223 plugin (Persistent Storage of Private Data via PubSub) options […]
