Linux

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

AlmaLinux 8 — libcdio — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3462 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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Debian 11 — python-mkdocs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-mkdocs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40978 Upstream summary: The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this […]

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

Debian 11 — libjcat — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10759 Upstream summary: A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As per upstream, a signature […]

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

Debian 11 — mkvtoolnix — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-4022 Upstream summary: A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code […]

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Common Problems 120498

Debian 11 – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 22 June 2022 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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

AlmaLinux 8 — grilo — 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-2021:4339 Related CVEs: CVE-2021-39365 Upstream summary: Grilo is a framework that provides access to different sources of multimedia content, using a pluggable system. The grilo package contains the core library and elements. […]

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How to Configure Podman Rootless Containers on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Podman Rootless Containers on Debian 11

Introduction This guide explains how to Configure Podman Rootless Containers 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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Debian 11 — phabricator — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — phabricator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17536 Upstream summary: Phabricator before 2017-11-10 does not block the –config and –debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary code by […]

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

Gentoo Linux — app-emulation/docker — 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-202107-23 Related CVEs: CVE-2021-21284 CVE-2021-21285 CVE-2020-13401 Upstream summary: Multiple vulnerabilities have been discovered in Docker. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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