{"action":"Upgrade libsass to 3.5.5-4 or later.","affected":[{"fixed":"3.5.5-4","introduced":"0"}],"component":"libsass","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.5.5-4"],"id":"tcs_01M5NDACXXERXHEY2WJ5WQ06KB","modified_at":"2026-10-23T18:03:20.999958664Z","published_at":"2018-12-17T20:29:00.310Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-20190","https://security-tracker.debian.org/tracker/CVE-2018-20190"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-20190","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-20190"}],"summary":"In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Eval::operator()(Sass::Supports_Operator*) in eval.cpp may cause a Denial of Service (application crash) via a crafted sass input fil"}