Logging Monitoring

AlmaLinux 8 — univocity-parsers — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — univocity-parsers — 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-2020:5097 Upstream summary: Eclipse is an integrated development environment (IDE). The metadata for the eclipse:rhel8 module has been updated to remove the following unused profiles: c everything To check whether you have […]

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How to Install Graylog on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Graylog on FreeBSD 12

Introduction How to Install Graylog on FreeBSD 12 is a core administration task for any FreeBSD 12 server operator. FreeBSD 12 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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

FreeBSD 13 — pear-Horde_Core — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: horde — XSS vulnerabilities Related CVEs: CVE-2015-8807 CVE-2016-2228 Upstream summary: The Horde Team reports: Fixed XSS vulnerabilities in menu bar and form renderer. Table of contents Symptom & Impact Environment […]

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AlmaLinux 8 — perl-IO-String — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-IO-String — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1816 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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Common Problems 118423

Ubuntu 16.04 LTS – DNS resolution intermittently fails on servers – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 August 2021 Affected versions: Ubuntu 16.04 LTS 📖 ~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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FreeBSD 13 — postfix — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postfix — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Postfix — memory corruption vulnerability Related CVEs: CVE-2011-0411 CVE-2011-1720 Upstream summary: The Postfix SMTP server has a memory corruption error, when the Cyrus SASL library is used with authentication mechanisms […]

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

AlmaLinux 8 — bogofilter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2020:4649 Related CVEs: CVE-2020-14928 Upstream summary: Evolution is a GNOME application that provides integrated email, calendar, contact management, and communications functionality. The evolution-data-server packages provide a unified back end for applications which […]

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Debian 11 — python-babel — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-babel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-42771 Upstream summary: Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files (containing serialized Python objects) via directory traversal, leading to code execution. Table […]

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Debian 11 — libgda5 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgda5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-39359 Upstream summary: In GNOME libgda through 6.0.0, gda-web-provider.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. […]

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Alpine Linux edge — perl-encode — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — perl-encode — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.12-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-encode 3.12-r0 Related CVEs: CVE-2021-36770 Upstream summary: Alpine main repository for vedge ships perl-encode 3.12-r0 which addresses CVE-2021-36770. Table of contents Symptom & Impact Environment […]

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