Linux

Debian 10 — firejail — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — firejail — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 July 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-17367 CVE-2021-26910 CVE-2022-31214 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Debian 11 — pillow — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pillow — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-1932 CVE-2014-1933 CVE-2014-3007 CVE-2014-3589 CVE-2014-3598 CVE-2014-9601 CVE-2016-0740 CVE-2016-0775  +12 more Upstream summary: The (1) load_djpeg function in JpegImagePlugin.py, (2) Ghostscript function in EpsImagePlugin.py, (3) load function in IptcImagePlugin.py, […]

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How to Use Makefile for Build Automation on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Use Makefile for Build Automation on RHEL 9

GNU Make is one of the oldest and most widely used build automation tools in the Unix ecosystem, yet it remains just as relevant today as it was when first released in 1976. Unlike language-specific build tools such as Maven, Cargo, or npm scripts, Make is completely language-agnostic — it works equally well for C […]

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Common Problems 116900

Ubuntu 22.04 LTS apt Update Fails with NO_PUBKEY Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 3 July 2022 📖 ~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 & Cross-Refs References & Further […]

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Debian 11 — libapache-session-ldap-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libapache-session-ldap-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-36658 Upstream summary: In Apache::Session::LDAP before 0.5, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration of […]

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

Debian 11 — rexical — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-5477 Upstream summary: A command injection vulnerability in Nokogiri v1.10.3 and earlier allows commands to be executed in a subprocess via Ruby's `Kernel.open` method. Processes are vulnerable only […]

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AlmaLinux 8 — gnome-abrt — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnome-abrt — 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-2020:4435 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 — clementine — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — clementine — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14332 CVE-2021-40826 CVE-2021-40827 Upstream summary: An issue was discovered in Clementine Music Player 1.3.1. Clementine.exe is vulnerable to a user mode write access violation due to a NULL […]

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

Debian 11 — triplea — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000546 Upstream summary: Triplea version <= 1.9.0.0.10291 contains a XML External Entity (XXE) vulnerability in Importing game data that can result in Possible information disclosure, server-side request forgery, […]

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CHAT