Linux

Debian 11 — network-manager-vpnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — network-manager-vpnc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10900 Upstream summary: Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject […]

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Ubuntu 20.04 — xterm — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — xterm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4746-1 Related CVEs: CVE-2021-27135 Upstream summary: Tavis Ormandy discovered that xterm incorrectly handled certain character sequences. A remote attacker could use this issue to cause xterm to crash, resulting in […]

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AlmaLinux 8 — cmake — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cmake — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:4246 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — dpkg — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dpkg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5446-1 Related CVEs: CVE-2022-1664 Upstream summary: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially […]

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Ubuntu 14.04 — python-bottle — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-bottle — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5532-2 Related CVEs: CVE-2022-31799 Upstream summary: USN-5532-1 fixed a vulnerability in Bottle. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM Original advisory details: It […]

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SLES 15 — python311-mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14637-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-34749 CVE-2017-15612 CVE-2017-16876 Upstream summary: In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount […]

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

Oracle Linux 8 — annobin — vulnerability — patch and remediation guide (ELSA-2021-4593)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4593 Related CVEs: CVE-2021-42574 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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AlmaLinux 8 — gnome-calculator — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnome-calculator — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4381 Related CVEs: CVE-2020-13558 CVE-2020-24870 CVE-2020-27918 CVE-2020-29623 CVE-2020-36241 CVE-2021-1765 CVE-2021-1788 CVE-2021-1789  +12 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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

Oracle Linux 8 — openssl — vulnerability — patch and remediation guide (ELSA-2021-9632)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9632 Related CVEs: CVE-2021-3712 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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How to Install Memcached on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install Memcached on CentOS Stream 9

Introduction Setting up install memcached on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Memcached on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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