November 2021 - Page 43 of 66

Oracle Linux 8 — webkit2gtk3 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — webkit2gtk3 — security and stability fixes — required update (ELSA-2023-2834)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2834 Related CVEs: CVE-2023-23518 CVE-2022-42823 CVE-2022-46691 CVE-2022-46698 CVE-2023-25360 CVE-2023-23517 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Amazon Linux 2 — kernel-livepatch-4.14.232-176.381 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.232-176.381 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-054 Related CVEs: CVE-2021-33200 CVE-2021-33909 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Common Problems 122652

ZFS Snapshot Growth Consumes Pool Capacity

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 14 📖 ~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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How to Back Up and Restore MySQL Databases on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases on FreeBSD 13

Introduction Deploying back up and restore mysql databases on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within […]

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FreeBSD 13 — hashcash — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — hashcash — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: hashcash — heap overflow vulnerability Related CVEs: CVE-2005-0687 Upstream summary: Andreas Seltenreich reports that hashcash is prone to a heap overflow vulnerability. This vulnerability is caused by improper checking of […]

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FreeBSD 13 — piwik — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — piwik — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: piwik — XSS vulnerability Related CVEs: CVE-2009-4137 CVE-2010-1453 CVE-2010-2786 CVE-2015-7815 CVE-2015-7816 Upstream summary: Piwik reports: We have identified and fixed several XSS security issues in this release. Table of contents […]

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FreeBSD 13 — libproxy-perl — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libproxy-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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