Package Management

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 (ELSA-2023-3589)

🟠 High   ⏱ 15–60 min  Last verified: 19 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3589 Related CVEs: CVE-2023-34416 CVE-2023-34414 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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Oracle Linux 9 — runc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — runc — vulnerability — patch and remediation guide (ELSA-2024-2180)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2180 Related CVEs: CVE-2022-30630 CVE-2022-30632 CVE-2023-45287 CVE-2022-30631 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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SLES 15 — libksba8 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libksba8 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 19 March 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:2627-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-3515 CVE-2022-47629 CVE-2014-9087 CVE-2016-4574 CVE-2016-4579 Upstream summary: A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The […]

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Oracle Linux 9 — nss — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nss — security and stability fixes — required update (ELSA-2023-1368)

🟠 High   ⏱ 15–60 min  Last verified: 18 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1368 Related CVEs: CVE-2023-0767 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 115606

RHEL 7 Legacy service Script Conflicts with systemctl Unit

🟡 Medium   ⏱ 5–30 min  Last verified: 18 March 2023 Affected versions: RHEL 7 📖 ~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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AlmaLinux 9 — perl-HTTP-Tiny — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — perl-HTTP-Tiny — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:6542 Related CVEs: CVE-2023-31486 Upstream summary: HTTP::Tiny is a small and simple HTTP/1.1 client written in Perl. Security Fix(es): * http-tiny: insecure TLS cert default (CVE-2023-31486) For more details about the security […]

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How to Install Apache on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Apache on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying install apache on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Apache on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Windows Server 2022 — KB5025277 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5025277 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5025277 • MSRC update-guide entry Related CVEs: CVE-2023-21554 CVE-2023-28219 CVE-2023-28220 CVE-2023-28231 CVE-2023-28232 CVE-2023-28250 CVE-2023-21769 CVE-2023-21729  +12 more Affected components: Windows Server 2022 Table of contents Symptom & Impact Environment & Reproduction Root […]

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