{"cve":"CVE-2021-33797","nvd":{"published":"2023-04-17T22:15:07.677","modified":"2026-06-17T03:55:15.083","status":"Modified","description":"Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-190","CWE-119"],"references":["https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550","https://github.com/ccxvii/mujs/issues/148","https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550","https://github.com/ccxvii/mujs/issues/148","https://github.com/ccxvii/mujs/issues/148"],"products":["artifex:mujs"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2021-33797","score":0.00809,"percentile":0.56901,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}