Ubuntu 16.04 — ruby-loofah — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4498-1 Related CVEs: CVE-2019-15587 Upstream summary: It was discovered that Loofah does not properly sanitize JavaScript in sanitized output. An attacker could possibly use this issue to perform XSS attacks. […]