February 2026 - Page 19 of 176

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

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-22388)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-22388 Related CVEs: CVE-2023-53513 CVE-2025-38724 CVE-2025-39825 CVE-2025-39883 CVE-2025-39898 CVE-2025-39955 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 — weldr-client — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — weldr-client — vulnerability — patch and remediation guide (ELSA-2025-9845)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9845 Related CVEs: CVE-2025-22871 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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Amazon Linux 2 — openssl11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — openssl11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3249 Related CVEs: CVE-2026-28387 CVE-2026-28388 CVE-2026-28389 CVE-2026-28390 CVE-2025-68160 CVE-2025-69418 CVE-2025-69419 CVE-2025-69420  +12 more Upstream summary: Potential use-after-free in DANE client code (CVE-2026-28387) NULL Pointer Dereference When Processing a Delta CRL […]

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Oracle Linux 9 — gdk-pixbuf2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — gdk-pixbuf2 — vulnerability — patch and remediation guide (ELSA-2026-10708)

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-10708 Related CVEs: CVE-2026-5201 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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Oracle Linux 8 — java-21-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-21-openjdk — vulnerability — patch and remediation guide (ELSA-2025-10873)

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-10873 Related CVEs: CVE-2025-30749 CVE-2025-30754 CVE-2025-50059 CVE-2025-50106 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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Amazon Linux 2 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1764 Related CVEs: CVE-2022-25235 CVE-2022-25236 CVE-2024-45490 CVE-2022-43680 CVE-2022-40674 CVE-2022-25315 CVE-2026-25210 CVE-2024-50602  +12 more Upstream summary: A flaw was found in expat. Passing malformed 2- and 3-byte UTF-8 sequences (for example, […]

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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 (ELSA-2026-10757)

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-10757 Related CVEs: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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CentOS Stream 10 — valkey — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — valkey — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:3443 Related CVEs: CVE-2025-67733 CVE-2026-21863 CVE-2025-46817 CVE-2025-46818 CVE-2025-46819 CVE-2025-49844 Upstream summary: Valkey is an advanced key-value store. It is often referred to as a data structure server since keys can contain […]

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CentOS Stream 10 — osbuild-composer — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — osbuild-composer — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:13643 Related CVEs: CVE-2026-25679 CVE-2025-61726 CVE-2025-61728 CVE-2025-61729 CVE-2025-68121 CVE-2025-58183 Upstream summary: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. […]

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Fedora 42 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — nginx — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-38623b4fed Related CVEs: CVE-2026-42926 CVE-2026-42945 CVE-2026-42946 CVE-2026-42934 CVE-2026-40460 CVE-2026-40701 Upstream summary: nginx-mod-vts: – Rebuild for 1.30.1 nginx-mod-fancyindex: – Rebuild for 1.30.1 nginx-mod-naxsi: – Rebuild for 1.30.1 nginx-mod-headers-more: – Rebuild for 1.30.1 nginx-mod-brotli: […]

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