Common Problems

FreeBSD 13 — rubygem-activesupport — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-activesupport — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 18 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Rails — multiple vulnerabilities Related CVEs: CVE-2007-3227 CVE-2012-3463 CVE-2012-3464 CVE-2012-3465 CVE-2013-0155 CVE-2013-0156 CVE-2013-1854 CVE-2013-1856  +12 more Upstream summary: Ruby on Rails blog: Hi everyone! Rails 5.2.4.3 and 6.0.3.1 have been […]

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Ubuntu 20.04 — horizon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — horizon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4675-1 Related CVEs: CVE-2020-29565 Upstream summary: Pritam Singh discovered that OpenStack Horizon incorrectly validated certain parameters. An attacker could possibly use this issue to cause OpenStack Horizon to redirect to […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9406)

🟠 High   ⏱ 15–60 min  Last verified: 18 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9406 Related CVEs: CVE-2020-26145 CVE-2020-24587 CVE-2021-33909 CVE-2020-26147 CVE-2021-3564 CVE-2020-24588 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Arch Linux — vivaldi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — vivaldi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-32 Related CVEs: CVE-2021-30553 CVE-2021-30552 CVE-2021-30551 CVE-2021-30550 CVE-2021-30549 CVE-2021-30548 CVE-2021-30547 CVE-2021-30546  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 4.0.2312.24-1. Fixed in: 4.0.2312.25-1. Group: AVG-2058. Table of contents […]

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Oracle Linux 8 — grafana security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — grafana security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-1781)

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1781 Related CVEs: CVE-2021-43813 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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IBM AIX 7.2 — CVE-2021-29712 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-29712 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 17 July 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-29712, IBM Support Bulletin CVE: CVE-2021-29712 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus […]

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AlmaLinux 8 — python-dasbus — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-dasbus — 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-2020:4713 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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FreeBSD 12 — rubygem-date — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-date — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-date — Regular Expression Denial of Service Vunlerability of Date Parsing Methods Related CVEs: CVE-2021-41817 Upstream summary: Stanislav Valkanov reports: Date's parsing methods including Date.parse are using Regexps internally, some […]

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FreeBSD 13 — mariadb-connector-c — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mariadb-connector-c — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Vulnerability in C API Related CVEs: CVE-2020-2574 Upstream summary: MariaDB reports: Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. […]

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openSUSE Tumbleweed — libnextcloudsync0 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libnextcloudsync0 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0577-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-22879 Upstream summary: Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server […]

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