Common Problems

Ubuntu 18.04 — tar — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — tar — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 July 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6543-1 Related CVEs: CVE-2023-39804 CVE-2022-48303 CVE-2021-20193 CVE-2018-20482 CVE-2019-9923 Upstream summary: It was discovered that tar incorrectly handled extended attributes in PAX archives. An attacker could use this issue to cause […]

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NetBSD 9.4 — ikiwiki — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ikiwiki — multiple vulnerabilities (11 CVEs) — 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 Related CVEs: CVE-2008-0165 CVE-2009-2944 CVE-2016-4561 CVE-2016-9645 CVE-2016-9646 CVE-2017-0356 CVE-2019-9187 CVE-2010-1673  +3 more Upstream summary: pkgsrc audit-packages flagged ikiwiki<2.13 for vulnerability class 'remote-file-view'. Reference: http://ikiwiki.info/security/#index29h2 Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.18 — libupnp — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libupnp — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.12.1-r1 📖 ~4 min read  •  Source: Alpine secdb entry — libupnp 1.12.1-r1 Related CVEs: CVE-2020-13848 Upstream summary: Alpine community repository for vv3.18 ships libupnp 1.12.1-r1 which addresses CVE-2020-13848. Table of contents Symptom & Impact Environment […]

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Common Problems 114551

RHEL 9 Cockpit Not Accessible from Remote Browser

🟡 Medium   ⏱ 5–30 min  Last verified: 16 July 2023 📖 ~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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Alpine Linux 3.18 — libgsf — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — libgsf — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.14.41-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libgsf 1.14.41-r0 Related CVEs: CVE-2016-9888 Upstream summary: Alpine community repository for vv3.18 ships libgsf 1.14.41-r0 which addresses CVE-2016-9888. Table of contents Symptom & Impact Environment […]

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CentOS Stream 9 — go-toolset — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — go-toolset — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 16 July 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:3923 Related CVEs: CVE-2023-29402 CVE-2023-29403 CVE-2023-29404 CVE-2023-29405 CVE-2023-29409 CVE-2023-39325 CVE-2023-44487 CVE-2023-24540  +3 more Upstream summary: Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang. […]

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NetBSD 9.4 — elasticsearch — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — elasticsearch — multiple vulnerabilities (20 CVEs) — 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 Related CVEs: CVE-2015-1427 CVE-2015-4165 CVE-2015-5377 CVE-2020-7009 CVE-2020-7014 CVE-2014-6439 CVE-2018-17247 CVE-2019-7611  +12 more Upstream summary: pkgsrc audit-packages flagged elasticsearch<1.4.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1427 Table of contents Symptom & Impact Environment […]

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Debian 10 — python-bottle — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — python-bottle — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 July 2023 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-31799 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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Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6610)

🟠 High   ⏱ 15–60 min  Last verified: 15 July 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6610 Related CVEs: CVE-2022-2078 CVE-2022-34918 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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