Common Problems

FreeBSD 13 — py39-h — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-h — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: h11 accepts some malformed Chunked-Encoding bodies Related CVEs: CVE-2025-43859 Upstream summary: h11 reports: h11 is a Python implementation of HTTP/1.1. Prior to version 0.16.0, a leniency in h11's parsing of […]

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FreeBSD 14 — bip — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — bip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bip — buffer overflow Related CVEs: CVE-2012-0806 Upstream summary: Julien Tinnes reports, Bip doesn't check if fd is equal or larger than FD_SETSIZE. Table of contents Symptom & Impact Environment […]

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

FreeBSD 12 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — local privilege escalation Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2011-0017 Upstream summary: exim.org reports: CVE-2011-0017 – check return value of setuid/setgid. This is a privilege escalation vulnerability whereby the […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quassel — multiple vulnerabilities Related CVEs: CVE-2013-4422 CVE-2015-3427 CVE-2015-8547 CVE-2016-4414 Upstream summary: Gentoo reports: quasselcore: corruption of heap metadata caused by qdatastream leading to preauth remote code execution. Severity: high, […]

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FreeBSD 14 — ja-groff — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — ja-groff — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: groff — pic2graph and eqn2graph are vulnerable to symlink attack through temporary files Related CVEs: CVE-2004-0969 CVE-2004-1296 Upstream summary: The eqn2graph and pic2graph scripts in groff 1.18.1 allow local users […]

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FreeBSD 13 — isc-dhcp44-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — isc-dhcp44-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcp — remotely exploitable vulnerability Related CVEs: CVE-2018-5732 CVE-2018-5733 CVE-2021-25217 Upstream summary: Michael McNally reports: Program code used by the ISC DHCP package to read and parse stored leases has […]

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FreeBSD 12 — py311-flask-security — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-flask-security — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-flask-security — user redirect to arbitrary URL vulnerability Related CVEs: CVE-2021-23385 Upstream summary: Snyk reports: This affects all versions of package Flask-Security. When using the `get_post_logout_redirect` and `get_post_login_redirect` functions, it […]

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FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-Flask-Cors — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Flask-Cors — directory traversal vulnerability Related CVEs: CVE-2020-25032 Upstream summary: praetorian-colby-morgan reports: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal […]

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