Linux

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

Debian 11 — vigor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-2305 Upstream summary: Integer overflow in the regcomp implementation in the Henry Spencer BSD regex library (aka rxspencer) alpha3.8.g5 on 32-bit platforms, as used in NetBSD through 6.1.5 […]

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How to Install Composer on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Composer on RHEL 9

Composer is the de facto dependency manager for PHP. It resolves and installs PHP library dependencies declared in a project’s composer.json manifest, downloads them from Packagist (the central PHP package repository), generates an optimised autoloader, and manages version constraints with semantic versioning. Composer transformed PHP development by enabling the modern package-based ecosystem — frameworks like […]

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openSUSE Tumbleweed — python39-gevent — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python39-gevent — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:8834 (see also SUSE bugzilla) Related CVEs: CVE-2023-41419 Upstream summary: An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the WSGIServer component. […]

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

Debian 11 — engrampa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-52138 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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Debian 11 — in-toto — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — in-toto — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-32076 Upstream summary: in-toto is a framework to protect supply chain integrity. The in-toto configuration is read from various directories and allows users to configure the behavior of […]

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Ubuntu 22.04 — gdb — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gdb — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6842-1 Related CVEs: CVE-2022-4285 CVE-2023-1972 CVE-2023-39128 CVE-2023-39129 CVE-2023-39130 Upstream summary: It was discovered that gdb incorrectly handled certain memory operations when parsing an ELF file. An attacker could possibly use […]

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

Ubuntu 20.04 — wheel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5821-1 Related CVEs: CVE-2022-40898 Upstream summary: Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to […]

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Использование Cron для автоматизации задач в CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Использование Cron для автоматизации задач в CentOS 8

Предыдущая версия данного обучающего руководства была написана Шоном Льюисом. Cron — это хронологический демон-планировщик задач, работающий в операционных системах типа Unix, включая дистрибутивы Linux. Cron запускается в фоновом режиме,…

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Ubuntu 16.04 — gzip — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gzip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5378-4 Related CVEs: CVE-2022-1271 Upstream summary: USN-5378-1 fixed a vulnerability in Gzip. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. Original advisory details: Cleemy Desu […]

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SLES 15 — libpixman — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libpixman — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:4148-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-44638 Upstream summary: In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow […]

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