CVE-2018-20822: Sass-Lang Libsass

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

LibSass 3.5.4 allows attackers to cause a denial-of-service (uncontrolled recursion in Sass::Complex_Selector::perform in ast.hpp and Sass::Inspect::operator in inspect.cpp).

Affected products

Published 2019-04-23. Last modified 2026-06-17.