Common Problems

Ubuntu 18.04 — ec2-hibinit-agent — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ec2-hibinit-agent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6519-1 Related CVEs: https://launchpad.net/bugs/1941785 Upstream summary: The EC2 hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol and is no longer recommended. Table of […]

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FreeBSD 12 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: squid — Multiple vulnerabilities Related CVEs: CVE-1999-0710 CVE-2004-0189 CVE-2004-0541 CVE-2004-0832 CVE-2004-0918 CVE-2005-0094 CVE-2005-0095 CVE-2005-0096  +12 more Upstream summary: The squid-cache project reports: Denial of Service in FTP Request/Response smuggling in […]

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Arch Linux — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201803-24 Related CVEs: CVE-2017-15955 CVE-2017-15954 CVE-2017-15953 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.2.0-4. Fixed in: 1.2.2-4. Group: AVG-475. Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 121031

Network Interface Name Changed Unexpectedly

🟠 High   ⏱ 5–30 min  Last verified: 29 September 2019 Affected versions: Debian 10 📖 ~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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FreeBSD 12 — emil — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — emil — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Buffer overflows and format string bugs in Emil Related CVEs: CVE-2004-0152 CVE-2004-0153 Upstream summary: Ulf Härnhammar reports multiple buffer overflows in Emil, some of which are triggered during the parsing […]

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FreeBSD 12 — qt4-xml — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — qt4-xml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qt4-xml — XML Entity Expansion Denial of Service Related CVEs: CVE-2013-4549 Upstream summary: Richard J. Moore reports: QXmlSimpleReader in Qt versions prior to 5.2 supports expansion of internal entities in […]

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openSUSE Tumbleweed — virt-install — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — virt-install — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-10183 Upstream summary: Virt-install(1) utility used to provision new virtual machines has introduced an option '–unattended' to create VMs without user interaction. This option accepts […]

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FreeBSD 12 — openvpn-mbedtls — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openvpn-mbedtls — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openvpn — Potential authentication by-pass with multiple deferred authentication plug-ins Related CVEs: CVE-2017-12166 CVE-2017-7478 CVE-2017-7479 CVE-2017-7508 CVE-2017-7512 CVE-2017-7520 CVE-2017-7521 CVE-2017-7522  +3 more Upstream summary: David Sommerseth reports: OpenVPN 2.1 until […]

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FreeBSD 12 — cgiwrap — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cgiwrap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cgiwrap — XSS Vulnerability Related CVEs: CVE-2008-2852 Upstream summary: Secunia reports: A vulnerability has been reported in CGIWrap, which can be exploited by malicious people to conduct cross-site scripting attacks. […]

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