Linux

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

AlmaLinux 8 — cpio — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:1991 Related CVEs: CVE-2021-38185 Upstream summary: The cpio packages provide the GNU cpio utility for creating and extracting archives, or copying files from one place to another. Security Fix(es): * cpio: integer […]

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Debian 11 — libui-dialog-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libui-dialog-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-7315 Upstream summary: UI-Dialog 1.09 and earlier allows remote attackers to execute arbitrary commands. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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How to Install Python 3.9 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Python 3.9 on Debian 11

Introduction This guide explains how to Install Python 3.9 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 standard […]

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

Debian 11 — gpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-17076 Upstream summary: GPP through 2.25 will try to use more memory space than is available on the stack, leading to a segmentation fault or possibly unspecified other […]

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Debian 11 — librcsb-core-wrapper — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — librcsb-core-wrapper — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 March 2022 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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Debian 11 — golang-github-appc-docker2aci — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-appc-docker2aci — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-7569 CVE-2016-8579 Upstream summary: Directory traversal vulnerability in docker2aci before 0.13.0 allows remote attackers to write to arbitrary files via a .. (dot dot) in the embedded layer […]

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Gentoo Linux — app-emulation/spice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/spice — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-10 Related CVEs: CVE-2021-14355 CVE-2021-20201 CVE-2019-3813 Upstream summary: Multiple vulnerabilities have been discovered in Spice Server, please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 30 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10886 CVE-2020-11979 CVE-2020-1945 CVE-2021-36373 CVE-2021-36374 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Install and Configure Traefik Reverse Proxy on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure Traefik Reverse Proxy on RHEL 7

How to Install and Configure Traefik Reverse Proxy on RHEL 7 Traefik is a modern, cloud-native reverse proxy and load balancer that differentiates itself from Nginx and HAProxy through its dynamic configuration model — routing rules can be updated at runtime without restarting the proxy. Originally designed for microservices and Docker environments, Traefik works equally […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 30 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-32511 Upstream summary: jmespath.rb (aka JMESPath for Ruby) before 1.6.1 uses JSON.load in a situation where JSON.parse is preferable. Table of contents Symptom & Impact Environment & Reproduction […]

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