Common Problems

FreeBSD 13 — ha — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ha — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ha — Directory traversals Related CVEs: CVE-2015-1198 Upstream summary: Alexander Cherepanov reports: Version 0.999b and older of ha archiver is susceptible to directory traversal vulnerabilities via absolute and relative paths. […]

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AlmaLinux 8 — cloud-utils-growpart — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cloud-utils-growpart — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:4264 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 — unbound — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — unbound — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: unbound — Possible domain hijacking via promiscuous records in the authority section Related CVEs: CVE-2011-1922 CVE-2011-4528 CVE-2014-8602 CVE-2017-15105 CVE-2019-16866 CVE-2019-18934 CVE-2020-12662 CVE-2020-12663  +10 more Upstream summary: [email protected] reports: NLnet Labs […]

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FreeBSD 13 — py-libcloud — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py-libcloud — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libcloud — possible SSL MITM due to invalid regexp used to validate target server hostname Related CVEs: CVE-2012-3446 Upstream summary: The libcloud development team reports: When establishing a secure (SSL […]

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FreeBSD 13 — mathopd — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mathopd — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mathopd — directory traversal vulnerability Upstream summary: Michiel Boland reports: The software has a vulnerability that could lead to directory traversal if the '*' construct for mass virtual hosting is […]

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FreeBSD 12 — rubygem-rexml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

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

🟢 Low   ⏱ 5–15 min  Last verified: 17 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby — XML round-trip vulnerability in REXML Related CVEs: CVE-2021-28965 Upstream summary: Juho Nurminen reports: When parsing and serializing a crafted XML document, REXML gem (including the one bundled with […]

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

Oracle Linux 8 — wavpack — vulnerability — patch and remediation guide (ELSA-2022-7558)

🟢 Low   ⏱ 5–15 min  Last verified: 17 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7558 Related CVEs: CVE-2021-44269 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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openSUSE Tumbleweed — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libvirt — multiple vulnerabilities (20 CVEs) — 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-2022:0021-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-4147 CVE-2013-4296 CVE-2017-1000256 CVE-2019-10132 CVE-2019-10161 CVE-2019-10166 CVE-2019-10167 CVE-2019-10168  +12 more Upstream summary: A flaw was found in the libvirt libxl driver. A malicious guest could […]

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Debian 10 — tor — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — tor — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 April 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10592 CVE-2021-28089 CVE-2021-34548 CVE-2021-38385 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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

Oracle Linux 8 — systemd security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4553)

🟢 Low   ⏱ 5–15 min  Last verified: 16 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4553 Related CVEs: CVE-2019-20386 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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