Linux

Oracle Linux 10 — valkey — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — valkey — vulnerability — patch and remediation guide (ELSA-2025-7509)

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7509 Related CVEs: CVE-2025-21605 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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AlmaLinux 8 — libpng15 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libpng15 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:6439 Related CVEs: CVE-2026-25646 Upstream summary: The libpng15 package provides libpng 1.5, an older version of the libpng. library for manipulating PNG (Portable Network Graphics) image format files. This version should be […]

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How to Set Up Two-Factor Authentication (2FA) for SSH on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up WireGuard VPN on Ubuntu 26.04

WireGuard is a modern, high-performance VPN protocol built into the Linux kernel. It is faster and simpler than OpenVPN and IPsec, using state-of-the-art cryptography. This guide sets up a WireGuard VPN server on Ubuntu 26.04 LTS and connects a client. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS server with a public […]

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

Oracle Linux 9 — pcs — vulnerability — patch and remediation guide (ELSA-2026-2452)

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-2452 Related CVEs: CVE-2025-13465 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 9 — openexr — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — openexr — vulnerability — patch and remediation guide (ELSA-2026-8888)

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-8888 Related CVEs: CVE-2026-27622 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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SLES 12 — winpr2-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — winpr2-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:5939 (see also SUSE bugzilla) Related CVEs: CVE-2026-26955 CVE-2026-31806 CVE-2026-31883 CVE-2026-31885 CVE-2026-22857 CVE-2026-23533 CVE-2026-23884 CVE-2026-24491  +12 more Upstream summary: FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version […]

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Rocky Linux 8 — OpenEXR — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — OpenEXR — vulnerability — 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-2026:8863 Related CVEs: CVE-2026-27622 Upstream summary: OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. This package contains […]

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SLES 15 — libraw23 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libraw23 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:11360 (see also SUSE bugzilla) Related CVEs: CVE-2026-24450 Upstream summary: An integer overflow vulnerability exists in the uncompressed_fp_dng_load_raw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a […]

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SLES 16 — pam_pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — pam_pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 16 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:20130-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-24531 CVE-2025-24032 Upstream summary: In OpenSC pam_pkcs11 before 0.6.13, pam_sm_authenticate() wrongly returns PAM_IGNORE in many error situations (such as an error triggered by a smartcard […]

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Fedora 42 — python3.6 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — python3.6 — 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-c1ca370c1a Related CVEs: CVE-2026-4786 CVE-2026-6100 Upstream summary: – Security fixes for CVE-2026-4786, 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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