In the Loofah gem for Ruby through v2.3.0 unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
{ "binaries": [ { "binary_name": "ruby-loofah", "binary_version": "2.0.3-2+deb9u3build0.16.04.1" } ], "availability": "No subscription required" }