Linux

SLES 15 — typelib — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — typelib — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:9144 (see also SUSE bugzilla) Related CVEs: CVE-2024-4558 CVE-2022-0108 CVE-2021-33516 CVE-2017-1000121 CVE-2018-4437 CVE-2018-4438 CVE-2018-4441 CVE-2018-4442  +12 more Upstream summary: Use after free in ANGLE in Google Chrome prior to 124.0.6367.155 allowed a […]

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Debian 9 — qtbase-opensource-src — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — qtbase-opensource-src — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-15518 CVE-2020-0569 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 113921

RHEL 10 – NetworkManager service not starting after config drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 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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Debian 13 — exim4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — exim4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1381 CVE-2004-0399 CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2010-2023 CVE-2010-2024 CVE-2010-4344  +12 more Upstream summary: Format string vulnerability in daemon.c for Exim 4.x through 4.10, and 3.x through 3.36, allows exim […]

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Common Problems 114928

RHEL 8 Firewalld Blocks Application Port After Policy Change

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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 117927

Ubuntu 18.04 DNS Resolution Fails Intermittently with systemd-resolved

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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CentOS Stream 10 — opentelemetry-collector — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — opentelemetry-collector — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:4174 Related CVEs: CVE-2025-61726 CVE-2025-68121 CVE-2025-61729 CVE-2025-68156 Upstream summary: Collector with the supported components for a AlmaLinux build of OpenTelemetry Security Fix(es): * golang: net/url: Memory exhaustion in query parameter parsing […]

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Common Problems 116426

Ubuntu 24.04 LTS – Netplan apply fails from invalid YAML syntax – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 24.04 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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CentOS Stream 9 — nodejs-packaging — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — nodejs-packaging — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:7896 Related CVEs: CVE-2026-21710 CVE-2026-26996 CVE-2026-27135 CVE-2026-27904 CVE-2026-1525 CVE-2026-1526 CVE-2026-1527 CVE-2026-1528  +12 more Upstream summary: Node.js is a software development platform for building fast and scalable network applications in the JavaScript […]

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

Oracle Linux 9 — firefox — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-11748 Related CVEs: CVE-2025-8027 CVE-2025-8031 CVE-2025-8028 CVE-2025-8032 CVE-2025-8030 CVE-2025-8035 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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