How to Set Up a Highly Available Web Stack with Keepalived on RHEL 7 High availability eliminates single points of failure by ensuring that if one server goes down, another takes over seamlessly. For web servers, one of the most common HA patterns is a Virtual IP (VIP) address that floats between two or more […]
URL: https://www.progressiverobot.com/python-slice-string/ Python string supports slicing to create substring. Note that Python string is immutable, slicing creates a new substring from the source string and original string remains unchanged. Python slice string Python slice string syntax is: str_object[start_pos:end_pos:step] The slicing starts with the start_pos index (included) and ends at end_pos index (excluded). The step parameter […]
🟠 High ⏱ 15–60 min Last verified: 16 October 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-3927-1 Related CVEs: CVE-2018-18506 CVE-2019-9788 CVE-2019-9790 CVE-2019-9791 CVE-2019-9792 CVE-2019-9793 CVE-2019-9795 CVE-2019-9796 +12 more Upstream summary: It was discovered that Thunderbird allowed PAC files to specify that requests to localhost are […]
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 […]
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