Troubleshooting

Fedora 42 — perl-Starman — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — perl-Starman — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-4cca750484 Related CVEs: CVE-2026-40560 Upstream summary: Starman versions before 0.4018 for Perl allows HTTP Request Smuggling via Improper Header Precedence. Starman incorrectly prioritizes "Content-Length" over "Transfer-Encoding: chunked" when both headers are present […]

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Oracle Linux 9 — nodejs:24 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs:24 — vulnerability — patch and remediation guide (ELSA-2026-7350)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7350 Related CVEs: CVE-2026-1525 CVE-2026-1526 CVE-2026-1527 CVE-2026-1528 CVE-2026-21637 CVE-2026-21710 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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SLES 16 — google-gson — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — google-gson — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:2044-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-25647 Upstream summary: The package com.google.code.gson:gson before 2.8.9 are vulnerable to Deserialization of Untrusted Data via the writeReplace() method in internal classes, which may lead […]

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CentOS Stream 9 — buildah — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — buildah — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:10135 Related CVEs: CVE-2026-34986 CVE-2025-61726 CVE-2025-61729 CVE-2025-68121 CVE-2025-47913 CVE-2025-52881 CVE-2025-58183 CVE-2024-11218  +12 more Upstream summary: The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah […]

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Rocky Linux 8 — nghttp2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — nghttp2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:7667 Related CVEs: CVE-2026-27135 CVE-2023-44487 Upstream summary: libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C. Security Fix(es): * nghttp2: nghttp2: Denial of Service […]

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SLES 16 — govulncheck-vulndb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — govulncheck-vulndb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 16 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:15033-1 Related CVEs: CVE-2017-9232 CVE-2020-36846 CVE-2022-45157 CVE-2023-0109 CVE-2023-42818 CVE-2024-22036 CVE-2024-28892 CVE-2024-39223  +12 more Upstream summary: Juju before 1.25.12, 2.0.x before 2.0.4, and 2.1.x before 2.1.3 uses a UNIX domain socket without setting […]

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SLES 16 — npm22 — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — npm22 — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:1842 (see also SUSE bugzilla) Related CVEs: CVE-2025-55130 CVE-2025-55131 CVE-2025-59465 CVE-2025-23083 CVE-2025-23166 CVE-2025-59466 CVE-2026-21637 CVE-2026-22036  +11 more Upstream summary: A flaw in Node.js's Permissions model allows attackers to bypass `–allow-fs-read` and `–allow-fs-write` […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50257)

🟠 High   ⏱ 15–60 min  Last verified: 16 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50257 Related CVEs: CVE-2026-43284 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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Fedora 42 — python3.9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — python3.9 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-60a694a385 Related CVEs: CVE-2026-4786 CVE-2026-6100 Upstream summary: Security fixes for CVE-2026-4786 and CVE-2026-6100 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Set Up a DNS Server with Bind9 on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Go 1.24 on Ubuntu 26.04

Go (Golang) 1.24 is a statically typed, compiled language known for its performance, simplicity, and excellent concurrency support. It is widely used for cloud-native tools, microservices, and CLI applications. This guide installs Go 1.24 on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS A user with sudo privileges Internet […]

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