Logging Monitoring

Debian 13 — dom4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — dom4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000632 CVE-2020-10683 Upstream summary: dom4j version prior to version 2.1.1 contains a CWE-91: XML Injection vulnerability in Class: Element. Methods: addElement, addAttribute that can result in an attacker […]

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Rocky Linux 8 — vsftpd — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — vsftpd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:0608 Related CVEs: CVE-2025-14242 Upstream summary: The vsftpd packages include a Very Secure File Transfer Protocol (FTP) daemon, which is used to serve files over a network. Security Fix(es): * […]

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How to Set Up Email Alerts with Alertmanager on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Email Alerts with Alertmanager on RHEL 10

Introduction How to Set Up Email Alerts with Alertmanager on RHEL 10 on RHEL 10 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 […]

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Debian 11 — docopt.cpp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — docopt.cpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 December 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-67125 Upstream summary: A signed integer overflow in docopt.cpp v0.6.2 (LeafPattern::match in docopt_private.h) when merging occurrence counters (e.g., default LONG_MAX + first user "-v/–verbose") can cause counter wrap […]

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Debian 13 — qtcreator — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — qtcreator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3374 Upstream summary: Qt Creator before 2.0.1 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library […]

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Debian 11 — libcgi-simple-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcgi-simple-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 December 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2761 CVE-2010-4410 CVE-2010-4411 CVE-2025-40927 Upstream summary: The multipart_init function in (1) CGI.pm before 3.50 and (2) Simple.pm in CGI::Simple 1.112 and earlier uses a hardcoded value of the […]

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Debian 13 — heat — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — heat — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6426 CVE-2013-6428 CVE-2014-3801 CVE-2015-5295 CVE-2016-9185 CVE-2023-1625 CVE-2024-7319 Upstream summary: The cloudformation-compatible API in OpenStack Orchestration API (Heat) before Havana 2013.2.1 and Icehouse before icehouse-2 does not properly enforce […]

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Windows Server 2019 — KB5066133 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5066133 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5066133 • MSRC update-guide entry Related CVEs: CVE-2025-55248 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft summary: Inadequate encryption strength in .NET.NET Framework, Visual Studio allows an […]

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Debian 13 — keepalived — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — keepalived — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1784 CVE-2018-19044 CVE-2018-19045 CVE-2018-19046 CVE-2018-19115 CVE-2021-44225 CVE-2024-41184 Upstream summary: The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, […]

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Debian 13 — waitress — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — waitress — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16785 CVE-2019-16786 CVE-2019-16789 CVE-2019-16792 CVE-2022-24761 CVE-2022-31015 CVE-2024-49768 CVE-2024-49769 Upstream summary: Waitress through version 1.3.1 implemented a "MAY" part of the RFC7230 which states: "Although the line terminator for […]

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