CVE-2018-20801 json
Regular Expression Denial of Service in highcharts
published 2019-03-14 7 y ago modified 2026-06-17 4 mo ago also GHSA-xmc8-cjfr-phx3 , EUVD-2019-0398
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
3.17% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/npm:highcharts:20180225 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | highcharts | <6.1.0 |
6.1.0 |
Classification
References
-
github.com
/highcharts/highcharts/commit/7c547e1e0f5e4379f94396efd559a566668c0dfa
web, patch, third-party-advisory
-
snyk.io
/vuln/npm:highcharts:20180225
web, exploit, third-party-advisory
- security.netapp.com /advisory/ntap-20190715-0001/
-
nvd.nist.gov
/vuln/detail/CVE-2018-20801
advisory
-
github.com
/advisories/GHSA-xmc8-cjfr-phx3
advisory
-
github.com
/highcharts/highcharts
package
-
security.netapp.com
/advisory/ntap-20190715-0001
web
-
npmjs.com
/advisories/793
web
Sources
- CVE List CVE-2018-20801
- GitHub Advisory GHSA-xmc8-cjfr-phx3
- NVD CVE-2018-20801
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.