There is a stack consumption vulnerability in the lex function in parser.hpp (as used in sassc) in LibSass 3.4.5. A crafted input will lead to a remote denial of service.
{ "versions": [ { "introduced": "0" }, { "last_affected": "3.4.5" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-11554.json"