Operations

Debian 11 — ruby-nokogiri — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-nokogiri — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6685 CVE-2019-5477 CVE-2020-26247 CVE-2022-24836 CVE-2022-29181 Upstream summary: Nokogiri before 1.5.4 is vulnerable to XXE attacks Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Oracle Linux 9 — libksba — vulnerability — patch and remediation guide (ELSA-2023-0626)

🟠 High   ⏱ 15–60 min  Last verified: 27 September 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0626 Related CVEs: CVE-2022-47629 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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FreeBSD 13 — mysql-connector-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mysql-connector-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 CVE-2021-22926 CVE-2021-22931 CVE-2021-22946  +12 more Upstream summary: Oracle reports: This Critical Patch Update contains 34 new security patches, plus […]

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How to Set Up ProxySQL for MySQL Load Balancing on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up ProxySQL for MySQL Load Balancing on Debian 11

Introduction How to Set Up ProxySQL for MySQL Load Balancing on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ […]

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FreeBSD 13 — ez-ipupdate — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ez-ipupdate — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ez-ipupdate — format string vulnerability Related CVEs: CVE-2004-0980 Upstream summary: Data supplied by a remote server is used as the format string instead of as parameters in a syslog() call. […]

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AlmaLinux 8 — ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — ipmitool — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4307 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — py38-tflite — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-tflite — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-tflite — buffer overflow vulnerability Related CVEs: CVE-2021-37689 CVE-2022-41894 Upstream summary: Thibaut Goetghebuer-Planchon reports: The reference kernel of the CONV_3D_TRANSPOSE TensorFlow Lite operator wrongly increments the data_ptr when adding the […]

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FreeBSD 13 — rubygem-ruby-saml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-ruby-saml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby-saml — XML signature wrapping attack Related CVEs: CVE-2016-5697 Upstream summary: RubySec reports: ruby-saml prior to version 1.3.0 is vulnerable to an XML signature wrapping attack in the specific scenario […]

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