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

Oracle Linux 9 — openssl — vulnerability — patch and remediation guide (ELSA-2025-21255)

🟡 Medium   ⏱ 10–30 min  Last verified: 26 April 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21255 Related CVEs: CVE-2025-9230 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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Windows Server 2019 — KB5068904 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5068904 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5068904 • MSRC update-guide entry Related CVEs: CVE-2025-60724 CVE-2025-64678 CVE-2025-59513 CVE-2025-60703 CVE-2025-60704 CVE-2025-60705 CVE-2025-60709 CVE-2025-60719  +7 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Microsoft […]

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Oracle Linux 9 — grafana-pcp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — grafana-pcp — vulnerability — patch and remediation guide (ELSA-2024-2569)

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2569 Related CVEs: CVE-2024-1394 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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openSUSE Leap 15.6 — ruby2.5 — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — ruby2.5 — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3939-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-47220 CVE-2024-43398 CVE-2025-24294 CVE-2025-6442 CVE-2025-27220 CVE-2025-27221 CVE-2025-27219 CVE-2024-49761  +5 more Upstream summary: An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. […]

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SLES 12 — pdsh — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — pdsh — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 26 April 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0960-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-6438 CVE-2016-10030 CVE-2020-27745 CVE-2022-29500 CVE-2022-29501 CVE-2022-29502 CVE-2024-48936 CVE-2017-15566  +10 more Upstream summary: SchedMD Slurm before 17.11.13 and 18.x before 18.08.5 mishandles 32-bit systems. Table of […]

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Alpine Linux 3.19 — k3s — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — k3s — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.27.5.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — k3s 1.27.5.1-r0 Related CVEs: CVE-2023-32187 CVE-2023-2728 CVE-2021-32001 CVE-2021-30465 CVE-2021-25735 CVE-2021-21334 CVE-2020-15257 CVE-2020-8557  +7 more Upstream summary: Alpine community repository for vv3.19 ships k3s 1.27.5.1-r0 which […]

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FreeBSD 14 — linux-mozilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — linux-mozilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — code execution via Quicktime media-link files Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-0722 CVE-2004-0757  +12 more Upstream summary: The Mozilla Foundation reports a vulnerability within the […]

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How to Harden PHP 8.3: disable_functions, open_basedir, opcache on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Harden PHP 8.3: disable_functions, open_basedir, opcache on RHEL 9

PHP hardening reduces the attack surface of web applications by restricting what PHP scripts can do at the interpreter level. A default PHP installation exposes powerful functions that can be abused by attackers who exploit code injection vulnerabilities: system(), exec(), and passthru() allow execution of arbitrary OS commands; file_get_contents() with allow_url_fopen can fetch remote files; […]

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