{"id":"CVE-2018-19797","details":"In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.","modified":"2026-07-08T16:40:09.483245Z","published":"2018-12-03T06:29:00.743Z","related":["openSUSE-SU-2019:1791-1","openSUSE-SU-2019:1800-1","openSUSE-SU-2019:1883-1","openSUSE-SU-2024:10988-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html"},{"type":"FIX","url":"https://github.com/sass/libsass/issues/2779"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/sass/libsass","events":[{"introduced":"39e30874b9a5dd6a802c20e8b0470ba44eeba929"},{"last_affected":"39e30874b9a5dd6a802c20e8b0470ba44eeba929"}],"database_specific":{"cpe":"cpe:2.3:a:sass-lang:libsass:3.5.5:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.5.5"},{"last_affected":"3.5.5"}],"source":"CPE_STRING"}}],"versions":["3.5.5"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19797.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}