How to Configure Database Connection Pooling with PgBouncer on RHEL 7 Every PostgreSQL client connection spawns a backend process on the server, consuming approximately 5–10 MB of RAM for its working memory and adding overhead to the process scheduler. Applications that open hundreds of short-lived connections — such as PHP scripts, Node.js workers, or microservices […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2REDIS6-2023-004 Related CVEs: CVE-2021-32765 Upstream summary: Hiredis is a minimalistic C client library for the Redis database. In affected versions Hiredis is vulnurable to integer overflow if provided maliciously crafted […]
🟠 High ⏱ 5–30 min Last verified: 30 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 30301271 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan […]
🟢 Low ⏱ 5–15 min Last verified: 30 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py39-Elixir — weak use of cryptography Related CVEs: CVE-2012-2146 Upstream summary: Red Hat Security Response Team reports: Elixir 0.8.0 uses Blowfish in CFB mode without constructing a unique initialization vector […]
🟢 Low ⏱ 5–15 min Last verified: 30 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-bleach — regular expression denial-of-service Related CVEs: CVE-2020-6817 Upstream summary: Bleach developers reports: bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to […]
Introduction This tutorial covers How to Set Up a Certificate Authority on SLES 15 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: […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2022:0267 Related CVEs: CVE-2021-4034 CVE-2021-4115 Upstream summary: The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged […]
🟢 Low ⏱ 5–15 min Last verified: 30 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: aiohttp — open redirect vulnerability Related CVEs: CVE-2021-21330 Upstream summary: Sviatoslav Sydorenko reports: Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to […]
🟢 Low ⏱ 5–15 min Last verified: 30 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: vlc — Use after free vulnerability Related CVEs: CVE-2016-5108 CVE-2018-11529 Upstream summary: Mitre reports: VideoLAN VLC media player 2.2.x is prone to a use after free vulnerability which an attacker […]
🟠 High ⏱ 15–60 min Last verified: 30 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: PostgreSQL — Possible man-in-the-middle attacks Related CVEs: CVE-2016-5423 CVE-2016-5424 CVE-2017-15098 CVE-2017-15099 CVE-2017-7546 CVE-2017-7547 CVE-2017-7548 CVE-2018-1052 +11 more Upstream summary: The PostgreSQL Project reports: CVE-2021-23214: A man-in-the-middle with the ability to […]
