Linux

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-2022-0818)

🔴 Critical   ⏱ 15–90 min  Last verified: 3 February 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0818 Related CVEs: CVE-2022-25315 CVE-2022-26383 CVE-2022-25236 CVE-2022-25235 CVE-2022-26381 CVE-2022-26486 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How To Create RAID Arrays with mdadm on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Create RAID Arrays with mdadm on Debian 9

The mdadm utility can be used to create and manage storage arrays using Linux’s software RAID capabilities. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or…

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How to Create and Use MongoDB Backups on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How to Create and Use MongoDB Backups on Ubuntu 14.04

A lot of modern web application developers today choose to use a NoSQL database in their projects, and MongoDB is often their first choice. If you’re using MongoDB in a production scenario, it is important that you regularly create backups in order to avoid data loss….

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Debian 11 — tcptrack — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tcptrack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2903 Upstream summary: Heap-based buffer overflow in tcptrack before 1.4.2 might allow attackers to execute arbitrary code via a long command line argument. NOTE: this is only a […]

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Oracle Linux 9 — xorg-x11-server-Xwayland update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — xorg-x11-server-Xwayland update (ELSA-2025-19623)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19623 Related CVEs: CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 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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Debian 11 — pam-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pam-mysql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4713 CVE-2006-0056 Upstream summary: Unspecified vulnerability in the SQL logging facility in PAM-MySQL 0.6.x before 0.6.2 and 0.7.x before 0.7pre3 allows remote attackers to cause a denial of […]

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Debian 11 — nvi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nvi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2001-1562 CVE-2015-2305 Upstream summary: Format string vulnerability in nvi before 1.79 allows local users to gain privileges via format string specifiers in a filename. Table of contents Symptom […]

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Debian 10 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 February 2023 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-32278 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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Debian 11 — okular — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — okular — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2575 CVE-2018-1000801 CVE-2020-9359 Upstream summary: Heap-based buffer overflow in the RLE decompression functionality in the TranscribePalmImageToJPEG function in generators/plucker/inplug/image.cpp in Okular in KDE SC 4.3.0 through 4.5.0 allows […]

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Debian 11 — golang-github-gin-gonic-gin — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-gin-gonic-gin — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28483 CVE-2020-36567 CVE-2023-26125 CVE-2023-29401 Upstream summary: This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by […]

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