November 2021 - Page 14 of 64

Common Problems 112477

Windows Server 2019 – Endpoint filter driver deadlock blocks file and network I/O – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 November 2021 Affected versions: Windows Server 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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FreeBSD 13 — pear-Net_Traceroute — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pear-Net_Traceroute — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PEAR — Net_Ping and Net_Traceroute remote arbitrary command injection Related CVEs: CVE-2009-4024 CVE-2009-4025 Upstream summary: PEAR Security Advisory reports: Multiple remote arbitrary command injections have been found in the Net_Ping […]

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FreeBSD 13 — php56-soap — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php56-soap — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-6831 CVE-2015-6832 CVE-2015-6833 CVE-2015-6834 CVE-2015-6835 CVE-2015-6836 CVE-2015-6837 CVE-2015-6838 Upstream summary: PHP reports: Core: Fixed bug #70755 (fpm_log.c memory leak and buffer overflow). GD: Fixed […]

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Python Pandas Module Tutorial — step-by-step Python tutorial on Progressive Robot

Python Pandas Module Tutorial

URL: https://www.progressiverobot.com/python-pandas-module-tutorial/ Python Pandas Module Pandas is an open source library in Python. It provides ready to use high-performance data structures and data analysis tools. Pandas module runs on top of [NumPy](/community/tutorials/python-numpy-tutorial) and it is popularly used for data science and data analytics. NumPy is a low-level data structure that supports multi-dimensional arrays and a […]

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FreeBSD 13 — razor-agents — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — razor-agents — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: razor-agents — denial of service vulnerability Upstream summary: A Secunia security advisory reports: Two vulnerabilities have been reported in Razor-agents, which can be exploited by malicious people to cause a […]

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

Debian 11 — unp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6610 Upstream summary: unp 1.0.12, and other versions before 1.0.14, does not properly escape file names, which might allow context-dependent attackers to execute arbitrary commands via shell metacharacters […]

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

Debian 11 — snmptrapfmt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-0050 Upstream summary: snmptrapfmt in Debian 3.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary log file. Table of contents Symptom & […]

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java.util.ConcurrentModificationException — step-by-step Programming tutorial on Progressive Robot

java.util.ConcurrentModificationException

Java Collection classes are fail-fast which means that if the Collection will be changed while some thread is traversing over it using iterator, the iterator.next() will throw ConcurrentModificationException. This situation can come in case of multithreaded as well as single threaded environment.

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Amazon Linux 2 — rpm — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — rpm — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1689 Related CVEs: CVE-2021-20271 CVE-2021-3421 Upstream summary: A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a […]

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How to Configure Windows Server 2019 Disk Management — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Disk Management

How to Configure Windows Server 2019 Disk Management Disk management on Windows Server 2019 encompasses initializing new disks, creating partitions and volumes, converting between MBR and GPT partition styles, resizing volumes, assigning drive letters, and managing virtual hard disks. The Disk Management MMC snap-in provides a GUI, while diskpart and PowerShell’s storage cmdlets provide scriptable, […]

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