{"cve":"CVE-2011-2998","nvd":{"published":"2011-09-30T10:55:03.867","modified":"2026-06-16T23:32:23.993","status":"Modified","description":"Integer underflow in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via JavaScript code containing a large RegExp expression.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189"],"references":["http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html","http://www.debian.org/security/2011/dsa-2312","http://www.debian.org/security/2011/dsa-2313","http://www.debian.org/security/2011/dsa-2317","http://www.mandriva.com/security/advisories?name=MDVSA-2011:139"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-2998","score":0.05368,"percentile":0.92653,"date":"2026-10-31"},"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."]}