Logging Monitoring

FreeBSD 14 — rubygem18-rdoc — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — rubygem18-rdoc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ruby — XSS exploit of RDoc documentation generated by rdoc Related CVEs: CVE-2013-0256 Upstream summary: Ruby developers report: RDoc documentation generated by rdoc bundled with ruby are vulnerable to an […]

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Windows Server 2019 — KB5031427 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5031427 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5031427 • MSRC update-guide entry Related CVEs: CVE-2023-35349 CVE-2023-41765 CVE-2023-41770 CVE-2023-41768 CVE-2023-41767 CVE-2023-41771 CVE-2023-41769 CVE-2023-41773  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Debian 12 — ruby-apollo-upload-server — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-apollo-upload-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-39880 Upstream summary: A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all versions starting from 14.1 […]

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Debian 12 — dist — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dist — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4949 Upstream summary: dist 3.5 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/cil#####, (b) /tmp/pdo#####, and (c) /tmp/pdn##### temporary files, related to […]

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Alpine Linux 3.19 — libspf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — libspf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.2.11-r3 📖 ~4 min read  •  Source: Alpine secdb entry — libspf2 1.2.11-r3 Related CVEs: CVE-2023-42118 CVE-2021-33912 CVE-2021-33913 CVE-2021-20314 Upstream summary: Alpine main repository for vv3.19 ships libspf2 1.2.11-r3 which addresses CVE-2023-42118. Table of contents Symptom […]

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How to Monitor Nginx with Prometheus on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Monitor Nginx with Prometheus on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up monitor nginx with prometheus on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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Alpine Linux 3.18 — libheif — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libheif — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libheif 1.5.0-r0 Related CVEs: CVE-2019-11471 Upstream summary: Alpine community repository for vv3.18 ships libheif 1.5.0-r0 which addresses CVE-2019-11471. Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — bind — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — bind — vulnerability — patch and remediation guide (ELSA-2024-1789)

🟠 High   ⏱ 15–60 min  Last verified: 15 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1789 Related CVEs: CVE-2023-5517 CVE-2023-5679 CVE-2023-50387 CVE-2023-50868 CVE-2023-4408 CVE-2023-6516 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.18 — vault — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — vault — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.9.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — vault 1.9.4-r0 Related CVEs: CVE-2022-25243 CVE-2022-25244 CVE-2021-32923 CVE-2021-27400 CVE-2021-27668 CVE-2021-3282 CVE-2020-25594 CVE-2021-3024  +8 more Upstream summary: Alpine community repository for vv3.18 ships vault 1.9.4-r0 which […]

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