{"cve":"CVE-2019-25102","nvd":{"published":"2023-02-12T14:15:11.003","modified":"2026-06-17T02:31:39.787","status":"Modified","description":"A vulnerability, which was classified as problematic, was found in simple-markdown 0.6.0. Affected is an unknown function of the file simple-markdown.js. The manipulation with the input <<<<<<<<<<:/:/:/:/:/:/:/:/:/:/ leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.6.1 is able to address this issue. The patch is identified as 015a719bf5cdc561feea05500ecb3274ef609cd2. It is recommended to upgrade the affected component. VDB-220638 is the identifier assigned to this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://github.com/ariabuckles/simple-markdown/commit/015a719bf5cdc561feea05500ecb3274ef609cd2","https://github.com/ariabuckles/simple-markdown/pull/73","https://github.com/ariabuckles/simple-markdown/releases/tag/0.6.1","https://vuldb.com/?ctiid.220638","https://vuldb.com/?id.220638"],"products":["khanacademy:simple-markdown"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2019-25102","score":0.01097,"percentile":0.65619,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j533-2g8v-pmpg","url":"https://osv.dev/vulnerability/GHSA-j533-2g8v-pmpg","summary":"Regular Expression Denial of Service in simple-markdown","modified":"2023-11-08T04:01:33.550945Z","packages":[{"ecosystem":"npm","name":"simple-markdown","purl":"pkg:npm/simple-markdown","ranges":["<0.6.1"],"fixed":["0.6.1"]}]}],"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."]}