Operations

IBM AIX 7.3 — CVE-1999-0086 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0086 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 8 February 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0086, IBM PSIRT advisory page CVE: CVE-1999-0086 NVD summary: AIX routed allows remote users to modify sensitive files. References: exchange.xforce.ibmcloud.com/vulnerabilities/CVE   exchange.xforce.ibmcloud.com/vulnerabilities/CVE Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 13 — apache-struts — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache-struts — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Apache Commons FileUpload — denial of service (DoS) vulnerability Related CVEs: CVE-2016-3092 Upstream summary: Mark Thomas reports: CVE-2016-3092 is a denial of service vulnerability that has been corrected in the […]

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

Amazon Linux 2 — xterm — 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 ALAS2-2021-1619 Related CVEs: CVE-2021-27135 Upstream summary: A flaw was found in xterm. A specially crafted sequence of combining characters causes an out of bounds write leading to arbitrary code execution. […]

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

Debian 11 — ruby-faye — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11020 CVE-2020-15134 Upstream summary: Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The […]

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How to Set Up a DHCP Server with ISC DHCP on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Set Up a DHCP Server with ISC DHCP on RHEL 7

How to Set Up a DHCP Server with ISC DHCP on RHEL 7 The ISC DHCP server is the most widely deployed DHCP implementation in enterprise Linux environments. Running your own DHCP server on RHEL 7 gives you full control over IP address assignment, lease times, gateway and DNS options, and fixed-address reservations for servers […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8872 CVE-2016-4804 Upstream summary: The set_fat function in fat.c in dosfstools before 4.0 might allow attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid […]

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openSUSE Tumbleweed — google-gson — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — google-gson — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~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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Debian 11 — postgresql-plsh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — postgresql-plsh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0061 Upstream summary: The validator functions for the procedural languages (PLs) in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3 […]

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

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9691)

🟠 High   ⏱ 15–60 min  Last verified: 8 February 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9691 Related CVEs: CVE-2022-2588 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 Tumbleweed — snakeyaml — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — snakeyaml — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3397-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 CVE-2022-38752 CVE-2017-18640 CVE-2022-25857 Upstream summary: Using snakeYAML to parse untrusted YAML files may be vulnerable to Denial of Service attacks (DOS). If […]

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