CVE-2019-18797: Sass-Lang Libsass

Medium severity, CVSS 6.5. EPSS: 1.5% chance of exploitation in the next 30 days.

LibSass 3.6.1 has uncontrolled recursion in Sass::Eval::operator()(Sass::Binary_Expression*) in eval.cpp.

Affected products

• Sass-Lang Libsass: before 3.6.1 (fixed in 3.6.1)

Published 2019-11-06. Last modified 2026-06-17.