{"id":"UBUNTU-CVE-2018-19827","details":"In LibSass 3.5.5, a use-after-free vulnerability exists in the SharedPtr class in SharedPtr.cpp (or SharedPtr.hpp) that may cause a denial of service (application crash) or possibly have unspecified other impact.","modified":"2026-04-22T13:01:43.123303Z","published":"2018-12-03T19:29:00Z","related":["USN-4837-1"],"upstream":["CVE-2018-19827"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19827"},{"type":"REPORT","url":"https://github.com/sass/libsass/issues/2782"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4837-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-19827"}],"affected":[{"package":{"name":"libsass","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libsass@3.4.8-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.8-1ubuntu0.1~esm1"}]}],"versions":["3.4.3-1","3.4.6-1","3.4.8-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.4.8-1ubuntu0.1~esm1","binary_name":"libsass0"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-19827.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}