{"id":"CVE-2018-19218","aliases":["EUVD-2018-10927","GHSA-cxrv-5xrr-3rp8","UBUNTU-CVE-2018-19218"],"status":"published","title":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser:...","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01151,"percentile":0.67128,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2018-11-12T19:00:00Z","modified":"2026-10-24T10:30:35Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.5-1","3.2.5-2","3.3.2-1","3.3.4-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.3-1","3.4.6-1","3.4.8-1","3.4.8-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.5-4","3.6.3-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.5-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libsass","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.5+20220909-1ubuntu1","3.6.5+20231221-3"]}],"products":[{"vendor":"sass-lang","product":"libsass"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1643758","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19218"},{"url":"https://github.com/advisories/GHSA-cxrv-5xrr-3rp8"},{"url":"https://ubuntu.com/security/CVE-2018-19218","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-19218","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-19218","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","status":"published","published":"2018-11-12T19:00:00Z","modified":"2024-08-05T11:30:04.178Z","updated_at":"2026-11-02T14:35:03.288698Z"}],"euvd":[{"id":"EUVD-2018-10927","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","status":"published","published":"2018-11-12T19:00:00Z","modified":"2024-08-05T11:30:04Z","updated_at":"2026-11-03T02:39:33.782065Z"}],"ghsa":[{"id":"GHSA-cxrv-5xrr-3rp8","title":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser:...","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","status":"published","published":"2022-05-14T01:49:24Z","modified":"2023-02-02T05:04:23Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:51:51.657093Z"}],"nvd":[{"id":"CVE-2018-19218","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","status":"published","published":"2018-11-12T19:29:00.627Z","modified":"2026-06-17T01:48:59.967Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:47.196456Z"}],"osv":[{"id":"CVE-2018-19218","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","status":"published","published":"2018-11-12T19:29:00.627Z","modified":"2026-10-24T10:30:35.102401886Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:08.834469Z"},{"id":"UBUNTU-CVE-2018-19218","description":"In LibSass 3.5-stable, there is an illegal address access at Sass::Parser::parse_css_variable_value_token that will lead to a DoS attack.","status":"published","published":"2018-11-12T19:29:00Z","modified":"2026-04-22T11:50:45.129795Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.496046Z"}]}}