October 2022 - Page 22 of 71

Common Problems 111769

Windows Server 2022 — TLS Handshake Failures Break LDAPS and Web Services After Cipher Changes — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 October 2022 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact Clients fail secure connections with handshake errors after TLS policy hardening removes required protocol/cipher overlap. LDAPS […]

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How to take the samples using sample() in R? — step-by-step DevOps tutorial on Progressive Robot

How to take the samples using sample() in R?

URL: https://www.progressiverobot.com/sample-in-r/ Let's understand one of the frequently used functions, sample() in R. In data analysis, taking samples of the data is the most common process done by the analysts. To study and understand the data, sometimes taking a sample is the best way and it is mostly true in case of big data. R […]

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Debian 11 — ruby-xmlhash — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-xmlhash — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-21949 Upstream summary: A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote attackers to reference external entities in certain operations. This […]

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Debian 11 — gocr — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gocr — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1141 CVE-2005-1142 CVE-2021-33479 CVE-2021-33480 CVE-2021-33481 Upstream summary: Integer overflow in the readpgm function in pnm.c for GOCR 0.40, when using the netpbm library, allows remote attackers to execute […]

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How to Configure AppArmor for Nginx on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure AppArmor for Nginx on Debian 11

Introduction This guide explains how to Configure AppArmor for Nginx on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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How To Create Pseudo-classes With CSS — step-by-step DevOps tutorial on Progressive Robot

How To Create Pseudo-classes With CSS

In this tutorial, you will learn about how and why to use CSS pseudo-classes. You can use pseudo-classes to change the style of an element based on user activity, such as hovering over an element with their cursor or visiting a link.

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openSUSE Tumbleweed — kcron — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kcron — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-24986 Upstream summary: KDE KCron through 21.12.2 uses a temporary file in /tmp when saving, but reuses the filename during an editing session. Thus, someone […]

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Ubuntu 14.04 — isc-dhcp — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — isc-dhcp — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 October 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5658-3 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25217 CVE-2016-2774 CVE-2017-3144 CVE-2018-5732 CVE-2018-5733 CVE-2015-8605 Upstream summary: USN-5658-1 fixed several vulnerabilities in DHCP. This update provides the corresponding update for Ubuntu 14.04 ESM. Original […]

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