Linux

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

Debian 11 — gobby — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35450 Upstream summary: Gobby 0.4.11 allows a NULL pointer dereference in the D-Bus handler for certain set_language calls. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure Docker Overlay Networking on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Docker Overlay Networking on Debian 11

Introduction Deploying configure docker overlay networking on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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AlmaLinux 9 — e2fsprogs — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — e2fsprogs — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8361 Related CVEs: CVE-2022-1304 Upstream summary: The e2fsprogs packages provide a number of utilities for creating, checking, modifying, and correcting the ext2, ext3, and ext4 file systems. Security Fix(es): * e2fsprogs: out-of-bounds […]

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

AlmaLinux 8 — uid_wrapper — 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-2019:3557 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 — freecol — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — freecol — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000825 Upstream summary: FreeCol version <= nightly-2018-08-22 contains a XML External Entity (XXE) vulnerability in FreeColXMLReader parser that can result in Disclosure of confidential data, denial of service, […]

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

Debian 11 — libjgroups-java — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4112 CVE-2016-2141 Upstream summary: The DiagnosticsHandler in JGroup 3.0.x, 3.1.x, 3.2.x before 3.2.9, and 3.3.x before 3.3.3 allows remote attackers to obtain sensitive information (diagnostic information) and execute […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 16 August 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-3458 CVE-2013-7489 Upstream summary: Beaker before 1.6.4, when using PyCrypto to encrypt sessions, uses AES in ECB cipher mode, which might allow remote attackers to obtain portions of […]

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

AlmaLinux 8 — newt — 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-2020:1759 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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How to Configure Nginx as a TCP/UDP Load Balancer on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Nginx as a TCP/UDP Load Balancer on Debian 11 (ON-DEBIAN-11)

Introduction Deploying configure nginx as a tcp/udp load balancer on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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