{"id":"CVE-2018-20801","aliases":["GHSA-xmc8-cjfr-phx3"],"url":"https://o3.security/vulnerability/CVE-2018-20801","summary":"Regular Expression Denial of Service in highcharts","details":"In js/parts/SvgRenderer.js in Highcharts JS before 6.1.0, the use of backtracking regular expressions permitted an attacker to conduct a denial of service attack against the SVGRenderer component, aka ReDoS.","published":"2019-03-14T16:29:00.243Z","modified":"2026-07-08T20:43:10.485715Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"highcharts","fixedVersion":"6.1.0"}],"fix":{"url":"https://github.com/highcharts/highcharts/commit/7c547e1e0f5e4379f94396efd559a566668c0dfa","label":"highcharts/highcharts@7c547e1"},"references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20190715-0001/"},{"type":"FIX","url":"https://github.com/highcharts/highcharts/commit/7c547e1e0f5e4379f94396efd559a566668c0dfa"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/npm:highcharts:20180225"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:43:10.485715Z"}}