Logging Monitoring

FreeBSD 12 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — avahi-libdns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: avahi — denial of service Related CVEs: CVE-2010-2244 CVE-2011-1002 Upstream summary: Avahi developers reports: A vulnerability has been reported in Avahi, which can be exploited by malicious people to cause […]

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FreeBSD 12 — php71-gd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php71-gd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-gd and gd — Buffer over-read into uninitialized memory Related CVEs: CVE-2017-7890 Upstream summary: PHP developers report: The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka […]

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How to Set Up Windows Server 2019 with Grafana — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 with Grafana

How to Set Up Windows Server 2019 with Grafana Grafana is an open-source analytics and visualization platform that, when combined with a time-series data source, provides powerful dashboards for Windows Server 2019 monitoring. The typical architecture uses Windows Exporter (formerly wmi_exporter) to expose Prometheus-compatible metrics from Windows Server 2019, a Prometheus server to scrape and […]

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Ubuntu 16.04 — commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — commons-beanutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 July 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4766-1 Related CVEs: CVE-2014-0114 CVE-2019-10086 Upstream summary: It was discovered that Apache Commons BeanUtils improperly handled certain input. An attacker could possibly use this vulnerability to cause a crash or […]

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How to Install and Configure Caddy Web Server on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure Caddy Web Server on RHEL 8

Caddy is a modern, open-source web server written in Go that automatically provisions and renews TLS certificates via Let’s Encrypt. Unlike Apache or Nginx, Caddy requires almost no manual TLS configuration, making it an excellent choice for developers who want HTTPS out of the box. On RHEL 8, Caddy is not available in the default […]

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openSUSE Tumbleweed — xlockmore — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — xlockmore — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-4143 Upstream summary: The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon […]

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FreeBSD 12 — clamav — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — clamav — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: clamav — ClamAV UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability Related CVEs: CVE-2004-0270 CVE-2005-0133 CVE-2005-1922 CVE-2005-1923 CVE-2005-2919 CVE-2005-2920 CVE-2006-0162 CVE-2006-1614  +12 more Upstream summary: Cisco reports: A vulnerability in […]

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Common Problems 115599

RHEL 7 swap not activated at boot due to incorrect UUID in fstab

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 2019 Affected versions: RHEL 7 📖 ~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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Common Problems 115039

RHEL 8 – NFS Mount Access Denied by firewalld and SELinux Policy

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 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 & Cross-Refs References & Further […]

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FreeBSD 12 — py32-radicale — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py32-radicale — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: radicale — multiple vulnerabilities Related CVEs: CVE-2015-8747 CVE-2015-8748 Upstream summary: Radicale reports: The multifilesystem backend allows access to arbitrary files on all platforms. Prevent regex injection in rights management. Table […]

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