{"cve":"CVE-2017-16098","nvd":{"published":"2018-06-07T02:29:02.113","modified":"2026-06-17T01:08:47.603","status":"Modified","description":"charset 1.0.0 and below are vulnerable to regular expression denial of service. Input of around 50k characters is required for a slow down of around 2 seconds. Unless node was compiled using the -DHTTP_MAX_HEADER_SIZE= option the default header max length is 80kb, so the impact of the ReDoS is relatively low.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/node-modules/charset/issues/10","https://nodesecurity.io/advisories/524","https://github.com/node-modules/charset/issues/10","https://nodesecurity.io/advisories/524"],"products":["charset_project:charset"],"source":"nvd","synced_at":"2026-10-19T20:50:40.212176939+00:00"},"epss":{"cve":"CVE-2017-16098","score":0.01631,"percentile":0.7623,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9cp3-fh5x-xfcj","url":"https://osv.dev/vulnerability/GHSA-9cp3-fh5x-xfcj","summary":"Regular Expression Denial of Service in charset","modified":"2023-11-08T03:59:04.732980Z","packages":[{"ecosystem":"npm","name":"charset","purl":"pkg:npm/charset","ranges":["<1.0.1"],"fixed":["1.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}