{"id":"USN-4837-1","summary":"libsass vulnerabilities","details":"It was discovered that LibSass incorrectly handled certain specially crafted\nsass file. An attacker could possibly use this issue to cause a denial of\nservice or other unspecified impact.","modified":"2026-02-10T04:42:06Z","published":"2021-03-15T22:19:52Z","related":["UBUNTU-CVE-2018-11499","UBUNTU-CVE-2018-11693","UBUNTU-CVE-2018-11695","UBUNTU-CVE-2018-11696","UBUNTU-CVE-2018-11697","UBUNTU-CVE-2018-11698","UBUNTU-CVE-2018-19797","UBUNTU-CVE-2018-19827","UBUNTU-CVE-2018-19839","UBUNTU-CVE-2018-20190","UBUNTU-CVE-2019-6283","UBUNTU-CVE-2019-6284","UBUNTU-CVE-2019-6286"],"upstream":["CVE-2018-11499","CVE-2018-11693","CVE-2018-11695","CVE-2018-11696","CVE-2018-11697","CVE-2018-11698","CVE-2018-19797","CVE-2018-19827","CVE-2018-19839","CVE-2018-20190","CVE-2019-6283","CVE-2019-6284","CVE-2019-6286","UBUNTU-CVE-2018-11499","UBUNTU-CVE-2018-11693","UBUNTU-CVE-2018-11695","UBUNTU-CVE-2018-11696","UBUNTU-CVE-2018-11697","UBUNTU-CVE-2018-11698","UBUNTU-CVE-2018-19797","UBUNTU-CVE-2018-19827","UBUNTU-CVE-2018-19839","UBUNTU-CVE-2018-20190","UBUNTU-CVE-2019-6283","UBUNTU-CVE-2019-6284","UBUNTU-CVE-2019-6286"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4837-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11499"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11693"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11695"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11696"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11697"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-11698"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19797"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19827"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-19839"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20190"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-6283"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-6284"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-6286"}],"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":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"libsass-dev","binary_version":"3.4.8-1ubuntu0.1~esm1"},{"binary_name":"libsass0","binary_version":"3.4.8-1ubuntu0.1~esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11499"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11693"},{"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"}],"id":"CVE-2018-11695"},{"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"}],"id":"CVE-2018-11696"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11697"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-11698"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-19797"},{"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"}],"id":"CVE-2018-19827"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-19839"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-20190"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-6283"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-6284"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2019-6286"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4837-1.json"}}],"schema_version":"1.7.3"}