FreeBSD 15 — rubygem-cgi — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 2 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: rubygem-cgi — HTTP response splitting vulnerability Related CVEs: CVE-2021-33621 CVE-2021-41816 CVE-2021-41819 Upstream summary: Hiroshi Tokumaru reports: If an application that generates HTTP responses using the cgi gem with untrusted user […]