Linux

Debian 10 — firefox-esr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — firefox-esr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9811 CVE-2019-9812 CVE-2019-11757 CVE-2019-17005 CVE-2019-17026 CVE-2019-20503 CVE-2020-6831 CVE-2020-12399  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Common Problems 118077

Ubuntu 18.04 Apache 503 Errors from PHP-FPM Socket Permission Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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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Debian 9 — icu — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — icu — 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-2017-15422 CVE-2020-10531 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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CentOS Stream 10 — openssl — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — openssl — multiple vulnerabilities (13 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-2026:1472 Related CVEs: CVE-2025-11187 CVE-2025-15467 CVE-2025-15468 CVE-2025-15469 CVE-2025-66199 CVE-2025-68160 CVE-2025-69418 CVE-2025-69419  +5 more Upstream summary: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) […]

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Debian 13 — mutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — mutt — 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-2003-0140 CVE-2003-0167 CVE-2004-0078 CVE-2005-2351 CVE-2006-3242 CVE-2006-5297 CVE-2006-5298 CVE-2007-1268  +12 more Upstream summary: Buffer overflow in Mutt 1.4.0 and possibly earlier versions, 1.5.x up to 1.5.3, and other programs […]

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Common Problems 115078

RHEL 8 DNF Module Stream Conflict Prevents Package Installation

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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 9 — pgvector — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — pgvector — multiple vulnerabilities (12 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-2026:4110 Related CVEs: CVE-2026-2003 CVE-2026-2004 CVE-2026-2005 CVE-2026-2006 CVE-2025-8714 CVE-2025-8715 CVE-2025-1094 CVE-2024-10976  +4 more Upstream summary: PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * postgresql: PostgreSQL missing validation […]

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Common Problems 116576

Ubuntu 24.04 LTS – Locale misconfiguration causes Unicode errors – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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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Oracle Linux 9 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4644 Related CVEs: CVE-2023-35390 CVE-2023-38180 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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SLES 16 — cpio — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — cpio — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:283-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-38185 CVE-2014-9112 CVE-2016-2037 CVE-2019-14866 CVE-2023-7207 CVE-2015-1197 Upstream summary: GNU cpio through 2.13 allows attackers to execute arbitrary code via a crafted pattern file, because of […]

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