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Debian 11 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pcf2bdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23318 CVE-2022-23319 Upstream summary: A heap-buffer-overflow in pcf2bdf, versions >= 1.05 allows an attacker to trigger unsafe memory access via a specially crafted PCF font file. This out-of-bound […]

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Debian 11 — epiphany-browser — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — epiphany-browser — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0238 CVE-2007-1084 CVE-2008-5985 CVE-2010-3312 CVE-2014-3566 CVE-2017-1000025 CVE-2018-11396 CVE-2018-12016  +8 more Upstream summary: The International Domain Name (IDN) support in Epiphany allows remote attackers to spoof domain names using […]

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Common Problems 111779

Windows Server 2022 — Print Spooler Service Crashes in Loop on Multi-Function Driver Update — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2026 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact The Print Spooler service terminates repeatedly after a vendor driver update, stopping all print queues. Departments […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2659 CVE-2005-2930 CVE-2005-3318 CVE-2006-3178 CVE-2007-0619 Upstream summary: Buffer overflow in the LZX decompression in CHM Lib (chmlib) 0.35, as used in products such as KchmViewer, has unknown impact […]

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How to Install Nexus Repository on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Nexus Repository on SLES 12

Introduction This tutorial covers How to Install Nexus Repository on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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Ubuntu 20.04 — neutron — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — neutron — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6067-1 Related CVEs: CVE-2021-20267 CVE-2021-38598 CVE-2021-40085 CVE-2021-40797 CVE-2022-3277 Upstream summary: David Sinquin discovered that OpenStack Neutron incorrectly handled the default Open vSwitch firewall rules. An attacker could possibly use this […]

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Ubuntu 20.04 — jupyter-core — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — jupyter-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6153-1 Related CVEs: CVE-2022-39286 Upstream summary: It was discovered that Jupyter Core executed untrusted files in the current working directory. An attacker could possibly use this issue to execute arbitrary […]

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Создание и настройка центра сертификации (ЦС) в CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Создание и настройка центра сертификации (ЦС) в CentOS 8

Центр сертификации (ЦС) — это служба, отвечающая за выдачу цифровых сертификатов удостоверения личности в Интернете. Хотя публичные ЦС часто используются для подтверждения подлинности сайтов и других общедоступных служб, для…

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Oracle Linux 8 — python3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python3 — vulnerability — patch and remediation guide (ELSA-2022-6457)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6457 Related CVEs: CVE-2022-0391 CVE-2015-20107 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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