Common Problems

Debian 10 — libexif — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libexif — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 August 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9278 CVE-2020-0452 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Common Problems 121175

Debian 10 TLS Handshake Failures to Repository or API Endpoints

🟠 High   ⏱ 5–30 min  Last verified: 2 August 2020 Affected versions: Debian 10 📖 ~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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Common Problems 118545

DKMS Build Fails After Kernel Update

🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2020 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 115447

SELinux Denies httpd Access to Content

🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2020 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 112484

Windows Server 2019 — Group nesting depth limit hit causing membership not to resolve — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 August 2020 Affected versions: Windows Server 2019 📖 ~2 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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Common Problems 112413

Windows Server 2019 — Split-brain DNS returns incorrect internal host records for hybrid workloads — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 2 August 2020 Affected versions: Windows Server 2019 📖 ~2 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 edge — targetcli — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — targetcli — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.1.53-r0 📖 ~4 min read  •  Source: Alpine secdb entry — targetcli 2.1.53-r0 Related CVEs: CVE-2020-13867 CVE-2020-10699 Upstream summary: Alpine community repository for vedge ships targetcli 2.1.53-r0 which addresses CVE-2020-13867. Table of contents Symptom & Impact […]

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FreeBSD 12 — dovecot-pigeonhole — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — dovecot-pigeonhole — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 August 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dovecot-pigeonhole — Sieve excessive resource usage Related CVEs: CVE-2019-11500 CVE-2020-28200 Upstream summary: Dovecot team reports reports: Sieve interpreter is not protected against abusive scripts that claim excessive resource usage. Fixed […]

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FreeBSD 12 — py39-Flask-Cors — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-Flask-Cors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 August 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Flask-Cors — directory traversal vulnerability Related CVEs: CVE-2020-25032 Upstream summary: praetorian-colby-morgan reports: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal […]

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Ubuntu 14.04 — jquery — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — jquery — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7622-1 Related CVEs: CVE-2020-11023 CVE-2019-11358 CVE-2020-11022 CVE-2012-6708 Upstream summary: It was discovered that jQuery did not correctly handle HTML tags. An attacker could possibly use this issue to execute a […]

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