Logging Monitoring

Debian 11 — xml-light — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xml-light — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-3514 Upstream summary: OCaml Xml-Light Library before r234 computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial […]

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Debian 11 — ruby-rack-cache — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-rack-cache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2671 Upstream summary: The Rack::Cache rubygem 0.3.0 through 1.1 caches Set-Cookie and other sensitive headers, which allows attackers to obtain sensitive cookie information, hijack web sessions, or have […]

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How to Configure Windows Server 2019 Initial Settings — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Initial Settings

How to Configure Windows Server 2019 Initial Settings After installing Windows Server 2019, several initial configuration tasks must be completed before the server is ready for production use. This includes setting the hostname, assigning a static IP address, configuring the time zone, joining a domain, enabling remote management, and setting up basic security policies. Completing […]

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openSUSE Tumbleweed — python36-Pillow — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-Pillow — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1134-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25289 CVE-2020-35653 CVE-2020-35654 CVE-2020-35655 CVE-2021-23437 CVE-2021-25290 CVE-2021-25291 CVE-2021-25292  +3 more Upstream summary: An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer […]

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FreeBSD 13 — libXinerama — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libXinerama — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xorg — protocol handling issues in X Window System client libraries Related CVEs: CVE-2013-1981 CVE-2013-1982 CVE-2013-1983 CVE-2013-1984 CVE-2013-1985 CVE-2013-1986 CVE-2013-1987 CVE-2013-1988  +12 more Upstream summary: freedesktop.org reports: Ilja van Sprundel, […]

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FreeBSD 13 — rubygem-rails — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-rails — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rails — multiple vulnerabilities Related CVEs: CVE-2007-3227 CVE-2007-6077 CVE-2008-4094 CVE-2012-3463 CVE-2012-3464 CVE-2012-3465 CVE-2012-5664 CVE-2013-0155  +12 more Upstream summary: Ruby on Rails blog: Rails 4.2.5.2, 4.1.14.2, and 3.2.22.2 have been released! […]

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Oracle Linux 8 — shadow-utils — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — shadow-utils — security and stability fixes — required update (ELSA-2023-7112)

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7112 Related CVEs: CVE-2023-4641 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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How to Configure System Logging with rsyslog on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure System Logging with rsyslog on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure System Logging with rsyslog on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with […]

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FreeBSD 13 — py311-beaker — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py311-beaker — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-beaker — arbitrary code execution vulnerability Related CVEs: CVE-2013-7489 Upstream summary: matheusbrat reports: The Beaker library through 1.12.1 for Python is affected by deserialization of untrusted data, which could lead […]

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