Linux

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

AlmaLinux 8 — papi — 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-2021:4269 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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Common Problems 120473

Debian 11 Release File Is Not Valid Yet During apt update

🟠 High   ⏱ 5–30 min  Last verified: 6 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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Debian 11 — tcl8.6 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tcl8.6 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-35331 Upstream summary: In Tcl 8.6.11, a format string vulnerability in nmakehlp.c might allow code execution via a crafted file. NOTE: multiple third parties dispute the significance of […]

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Debian 11 — html2ps — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — html2ps — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1275 CVE-2009-5067 Upstream summary: Unknown vulnerability in html2ps HTML/PostScript converter 1.0, when used within LPRng, allows remote attackers to execute arbitrary code via "unsanitized input." Table of contents […]

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

AlmaLinux 8 — WALinuxAgent — 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-2021:4305 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 Set Up a Python FastAPI Application on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up a Python FastAPI Application on Debian 11

Introduction How to Set Up a Python FastAPI Application on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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Debian 10 — grilo — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — grilo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 June 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-39365 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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AlmaLinux 8 — libglvnd — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libglvnd — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1804 Related CVEs: CVE-2020-14344 CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14360 CVE-2020-14361 CVE-2020-14362 CVE-2020-14363  +1 more Upstream summary: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that […]

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Debian 11 — python-urllib3 — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-urllib3 — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2099 CVE-2018-20060 CVE-2018-25091 CVE-2019-11236 CVE-2019-11324 CVE-2020-26137 CVE-2020-7212 CVE-2021-28363  +9 more Upstream summary: Algorithmic complexity vulnerability in the ssl.match_hostname function in Python 3.2.x, 3.3.x, and earlier, and unspecified versions […]

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AlmaLinux 8 — zziplib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — zziplib — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3127 Related CVEs: CVE-2020-18770 CVE-2018-17828 CVE-2020-18442 Upstream summary: The zziplib is a lightweight library to easily extract data from zip files. Security Fix(es): * zziplib: invalid memory access at zzip_disk_entry_to_file_header in mmapped.c […]

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