Logging Monitoring

Debian 11 — multipath-tools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — multipath-tools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-0115 CVE-2022-41973 CVE-2022-41974 Upstream summary: The Device Mapper multipathing driver (aka multipath-tools or device-mapper-multipath) 0.4.8, as used in SUSE openSUSE, SUSE Linux Enterprise Server (SLES), Fedora, and possibly […]

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How to Configure Nginx FastCGI Caching on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Nginx FastCGI Caching on RHEL 7

How to Configure Nginx FastCGI Caching on RHEL 7 FastCGI caching in Nginx allows you to store responses from your PHP backend — typically PHP-FPM — directly on disk or in memory, serving subsequent identical requests without re-executing PHP. On a busy RHEL 7 server this can reduce backend load by an order of magnitude, […]

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Debian 11 — libdata-uuid-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libdata-uuid-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4184 Upstream summary: Perl module Data::UUID from CPAN version 1.219 vulnerable to symlink attacks Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Amazon Linux 2 — pixman — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — pixman — vulnerability — 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 ALAS2-2025-2945 Related CVEs: CVE-2022-44638 Upstream summary: In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y. […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2022-6702)

🟠 High   ⏱ 15–60 min  Last verified: 1 March 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6702 Related CVEs: CVE-2022-40956 CVE-2022-40959 CVE-2022-40957 CVE-2022-40960 CVE-2022-40958 CVE-2022-40962 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Debian 10 — strongswan — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — strongswan — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 March 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41990 CVE-2021-45079 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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Arch Linux — connman — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — connman — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202102-24 Related CVEs: CVE-2021-26676 CVE-2021-26675 CVE-2021-33833 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.38-1. Fixed in: 1.39-1. Group: AVG-1543. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — typo3-8-php — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — typo3-8-php — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: TYPO3 — multiple vulnerabilities Related CVEs: CVE-2019-10912 CVE-2019-12747 CVE-2019-12748 Upstream summary: TYPO3 news: Please read the corresponding Security Advisories for details. Table of contents Symptom & Impact Environment & Reproduction […]

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FreeBSD 13 — p5-Imager — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — p5-Imager — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Imager — possibly exploitable buffer overflow Related CVEs: CVE-2007-1942 CVE-2007-1943 CVE-2007-1946 CVE-2007-1948 Upstream summary: Imager 0.56 and all earlier versions with BMP support have a security issue when reading compressed […]

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