🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-6685 Related CVEs: CVE-2023-22745 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Introduction How to Configure a Firewall with nftables on Oracle Linux 9 on Oracle Linux 9 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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-1912 CVE-2014-7185 CVE-2016-0772 CVE-2016-5636 CVE-2016-5699 CVE-2017-1000158 CVE-2018-1000030 CVE-2019-9740 +12 more Upstream summary: pkgsrc audit-packages flagged python27<2.7.6nb1 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1912 Table of contents Symptom & Impact Environment […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read • Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged cvsup-gui<=16.1.d for vulnerability class 'remote-root-shell'. Reference: http://www.pine.nl/advisories/pine-cert-20020601.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read • Source: Rocky Linux RXSA RLSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-20164 CVE-2020-5243 Upstream summary: An issue was discovered in regex.yaml (aka regexes.yaml) in UA-Parser UAP-Core before 0.6.0. A Regular Expression Denial of Service (ReDoS) issue allows remote attackers […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2023-49287 Upstream summary: TinyDir is a lightweight C directory and file reader. Buffer overflows in the `tinydir_file_open()` function. This vulnerability has been patched in version 1.2.6. Table of […]
Introduction Deploying set up sftp server with chroot jail on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]
🟠 High ⏱ 5–30 min Last verified: 20 May 2026 Affected versions: Debian 12 📖 ~1 min read 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 Prevention & Hardening Related Errors & […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2023-37464 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
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