node-sass is a Node.js bindings package for libsass.
Affected versions of this package are vulnerable to Out-of-bounds Read. ]There is a heap-based buffer over-read in the
Sass::Prelexer::re_linebreak function in
lexer.cpp in LibSass 3.4.5. A crafted input will lead to a remote denial of service attack.
node-sass to version 4.2.0 or higher.