🟢 Low ⏱ 5–15 min Last verified: 21 September 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4360-4 Related CVEs: CVE-2020-12762 https://launchpad.net/bugs/1878723 Upstream summary: USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides […]
🟡 Medium ⏱ 10–30 min Last verified: 21 September 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5665-1 Related CVEs: CVE-2017-6004 CVE-2017-7186 CVE-2019-20838 CVE-2020-14155 Upstream summary: It was discovered that PCRE incorrectly handled certain regular expressions. A remote attacker could use this issue to cause applications using […]
Introduction Deploying configure nginx as a reverse proxy for apache2 on debian 9 on a Debian 9 Stretch 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 […]
🟠 High ⏱ 15–60 min Last verified: 21 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-2070 Related CVEs: CVE-2020-1763 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2018:2212-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-14354 CVE-2018-14360 CVE-2018-14361 CVE-2018-14351 CVE-2018-14357 CVE-2018-14363 CVE-2020-14093 CVE-2020-14154 +12 more Upstream summary: An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They […]
🟡 Medium ⏱ 10–30 min Last verified: 20 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-2013 Related CVEs: CVE-2021-41617 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 Set Up Snort IDS on Oracle Linux 8 on Oracle Linux 8 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 configuration […]
🟡 Medium ⏱ 10–30 min Last verified: 19 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-1849 Related CVEs: CVE-2020-11099 CVE-2020-11095 CVE-2020-11096 CVE-2020-11097 CVE-2020-15103 CVE-2020-4030 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟢 Low ⏱ 5–15 min Last verified: 19 September 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6685-1 Related CVEs: CVE-2019-0222 Upstream summary: It was discovered that mqtt-client incorrectly handled memory while parsing malformed MQTT frames. An attacker could possibly use this issue to cause a crash, […]
🟠 High ⏱ 5–30 min Last verified: 19 September 2020 Affected versions: Windows Server 2019 📖 ~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 […]
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