2023 - Page 185 of 885

Common Problems 117567

Ubuntu 20.04 LTS – snap refresh hangs and blocks package operations – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 24 October 2023 Affected versions: Ubuntu 20.04 LTS 📖 ~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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NetBSD 9.4 — python21 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — python21 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged python21<2.1.3nb8 for vulnerability class 'remote-code-execution'. Reference: http://secunia.com/advisories/16914/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 12 — ioquake3 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ioquake3 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2082 CVE-2006-2236 CVE-2006-2875 CVE-2006-3324 CVE-2006-3325 CVE-2011-1412 CVE-2011-2764 CVE-2011-3012  +4 more Upstream summary: Directory traversal vulnerability in Quake 3 engine, as used in products including Quake3 Arena, Return to […]

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Ubuntu 18.04 — screen — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — screen — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6198-1 Related CVEs: CVE-2023-24626 CVE-2021-26937 Upstream summary: It was discovered that GNU Screen was not properly checking user identifiers before sending certain signals to target processes. If GNU Screen was […]

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Ubuntu 22.04 — swish-e — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — swish-e — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8240-1 Related CVEs: CVE-2022-25236 CVE-2022-25235 Upstream summary: It was discovered that Expat, vendored in Swish-e incorrectly handled certain files. An attacker could possibly use this issue to cause a crash […]

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Alpine Linux 3.18 — keepalived — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — keepalived — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.2.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — keepalived 2.2.7-r0 Related CVEs: CVE-2021-44225 CVE-2018-19044 CVE-2018-19045 CVE-2018-19046 Upstream summary: Alpine community repository for vv3.18 ships keepalived 2.2.7-r0 which addresses CVE-2021-44225. Table of contents Symptom […]

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NetBSD 9.4 — communicator — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — communicator — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2000-011 Upstream summary: pkgsrc audit-packages flagged communicator<4.75 for vulnerability class 'remote-user-access'. Reference: http://www.cert.org/advisories/CA-2000-15.html Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 117115

Ubuntu 22.04 LTS – Disk fills from runaway journald logs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 October 2023 Affected versions: Ubuntu 22.04 LTS 📖 ~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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How to Write Ansible Playbooks for Debian 12 Systems — step-by-step Debian 12 tutorial on Progressive Robot

How to Write Ansible Playbooks for Debian 12 Systems

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up write ansible playbooks for debian 12 systems on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and […]

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