Description
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.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=1471780
https://github.com/sass/libsass/issues/2445
Related Vulnerabilities
CVE-2020-8137 Vulnerability in npm package uppy
CVE-2020-7739 Vulnerability in npm package phantomjs-seo
CVE-2018-3734 Vulnerability in npm package stattic
CVE-2020-12648 Vulnerability in maven package org.webjars:tinymce
CVE-2021-3717 Vulnerability in maven package org.wildfly.core:wildfly-core-parent