Common Problems

Oracle Linux 8 — xorg-x11-server-Xwayland — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — xorg-x11-server-Xwayland — vulnerability — patch and remediation guide (ELSA-2023-2805)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2805 Related CVEs: CVE-2022-4283 CVE-2022-46343 CVE-2022-3551 CVE-2022-46341 CVE-2023-0494 CVE-2022-3550 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2023-0095)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0095 Related CVEs: CVE-2022-2953 CVE-2022-2058 CVE-2022-2056 CVE-2022-2867 CVE-2022-2521 CVE-2022-2057 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 111654

Windows Server 2022 — Gen2 VM creation fails because secure boot template mismatch — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 15 June 2023 Affected versions: Windows Server 2022 📖 ~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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Alpine Linux 3.18 — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — ark — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 20.08.0-r1 📖 ~4 min read  •  Source: Alpine secdb entry — ark 20.08.0-r1 Related CVEs: CVE-2020-24654 CVE-2020-16116 Upstream summary: Alpine community repository for vv3.18 ships ark 20.08.0-r1 which addresses CVE-2020-24654. Table of contents Symptom & Impact […]

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Amazon Linux 2023 — snakeyaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — snakeyaml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-375 Related CVEs: CVE-2022-38752 CVE-2022-41854 CVE-2022-38750 Upstream summary: Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If the parser is running on […]

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FreeBSD 13 — typo3-11-php — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — typo3-11-php — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 June 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: typo3 — multiple vulnerabilities Related CVEs: CVE-2022-23499 CVE-2022-23500 CVE-2022-23501 CVE-2022-23502 CVE-2022-23503 CVE-2022-23504 CVE-2022-23638 CVE-2023-37905  +2 more Upstream summary: TYPO3 reports: TYPO3-CORE-SA-2023-002: By-passing Cross-Site Scripting Protection in HTML Sanitizer TYPO3-CORE-SA-2023-003: Information […]

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NetBSD 9.4 — postgresql94 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql94 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged postgresql94-* for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 11 — node-ua-parser-js — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-ua-parser-js — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 June 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-7793 CVE-2021-27292 CVE-2022-25927 Upstream summary: The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info). […]

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