Logging Monitoring

Common Problems 116124

Ubuntu 26.04 LTS – CUPS print queue stuck with jobs not processing – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 13 May 2026 Affected versions: Ubuntu 26.04 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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Ubuntu 20.04 — rust-tar — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rust-tar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8138-2 Related CVEs: CVE-2026-33056 Upstream summary: USN-8138-1 fixed a vulnerability in tar-rs. This update provides the corresponding update for Ubuntu 20.04 LTS. Original advisory details: It was discovered that tar-rs […]

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Ubuntu 18.04 — fig2dev — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — fig2dev — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7587-1 Related CVEs: CVE-2020-21680 CVE-2025-31162 CVE-2020-21682 CVE-2025-31163 CVE-2025-31164 CVE-2020-21683 CVE-2019-14275 CVE-2019-19555  +12 more Upstream summary: Suhwan Song discovered that Fig2dev did not correctly handle certain memory operations. If a user […]

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SLES 16 — xtrans — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — xtrans — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3189-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25697 Upstream summary: A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an […]

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SLES 16 — apache-commons-lang3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — apache-commons-lang3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02785-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-48924 Upstream summary: Uncontrolled Recursion vulnerability in Apache Commons Lang. This issue affects Apache Commons Lang: Starting with commons-lang:commons-lang 2.0 to 2.6, and, from org.apache.commons:commons-lang3 […]

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SLES 16 — telnet — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — telnet — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:3471-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-39028 Upstream summary: telnetd in GNU Inetutils through 2.3, MIT krb5-appl through 1.0.3, and derivative works has a NULL pointer dereference via 0xff 0xf7 or […]

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openSUSE Leap 15.6 — ruby2.5-rubygem-rack — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — ruby2.5-rubygem-rack — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:19512 (see also SUSE bugzilla) Related CVEs: CVE-2025-61919 CVE-2025-27610 CVE-2025-61780 CVE-2025-27111 CVE-2025-25184 Upstream summary: Rack is a modular Ruby web server interface. Prior to versions 2.2.20, 3.1.18, and 3.2.3, `Rack::Request#POST` reads […]

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Oracle Linux 8 — firefox — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2026-0667)

🟠 High   ⏱ 15–60 min  Last verified: 13 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0667 Related CVEs: CVE-2025-14327 CVE-2026-0877 CVE-2026-0878 CVE-2026-0879 CVE-2026-0880 CVE-2026-0882 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 10 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — libxml2 — vulnerability — patch and remediation guide (ELSA-2025-13429)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-13429 Related CVEs: CVE-2025-32414 CVE-2025-32415 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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Rocky Linux 8 — dotnet9.0 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — dotnet9.0 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8475 Related CVEs: CVE-2026-26171 CVE-2026-32178 CVE-2026-32203 CVE-2026-33116 CVE-2026-26127 CVE-2026-26130 Upstream summary: .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and […]

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