Common Problems

Ubuntu 14.04 — python-urllib3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-urllib3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 February 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3990-2 Related CVEs: CVE-2019-11236 Upstream summary: USN-3990-1 fixed a vulnerability in urllib3. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that urllib3 […]

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Oracle Linux 8 — maven:3.5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — maven:3.5 — vulnerability — patch and remediation guide (ELSA-2022-1861)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 February 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1861 Related CVEs: CVE-2020-13956 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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Common Problems 118054

Ubuntu 18.04 Snap applications fail to launch

🟡 Medium   ⏱ 5–30 min  Last verified: 4 February 2020 📖 ~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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Common Problems 112520

Windows Server 2019 SMB Multichannel Disabled After NIC Driver Update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 February 2020 Affected versions: Windows Server 2019 📖 ~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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openSUSE Tumbleweed — spice-vdagent — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — spice-vdagent — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:0372-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-15108 CVE-2020-25650 Upstream summary: spice-vdagent up to and including 0.17.0 does not properly escape save directory before passing to shell, allowing local attacker with access […]

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openSUSE Tumbleweed — links — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — links — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-11114 Upstream summary: The put_chars function in html_r.c in Twibright Links 2.14 allows remote attackers to cause a denial of service (buffer over-read) via a […]

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openSUSE Tumbleweed — ed25519-java — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ed25519-java — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14892-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36843 Upstream summary: The implementation of EdDSA in EdDSA-Java (aka ed25519-java) through 0.3.0 exhibits signature malleability and does not satisfy the SUF-CMA (Strong Existential Unforgeability […]

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FreeBSD 12 — kdenetwork — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — kdenetwork — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgadu — multiple vulnerabilities Related CVEs: CVE-2005-1850 CVE-2005-1851 CVE-2005-1852 CVE-2005-2369 CVE-2005-2370 CVE-2005-2448 Upstream summary: Wojtek Kaniewski reports: Multiple vulnerabilities have been found in libgadu, a library for handling Gadu-Gadu instant […]

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FreeBSD 12 — haproxy — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — haproxy — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: HAproxy — serious vulnerability affecting the HPACK decoder used for HTTP/2 Related CVEs: CVE-2012-2391 CVE-2015-3281 CVE-2016-5360 CVE-2020-11100 Upstream summary: The HAproxy Project reports: The main driver for this release is […]

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openSUSE Tumbleweed — kubernetes-etcd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kubernetes-etcd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0554-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1002105 CVE-2017-1002101 CVE-2019-11247 CVE-2019-11249 CVE-2019-11253 Upstream summary: In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade […]

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