{"cve":"CVE-2009-3987","nvd":{"published":"2009-12-17T17:30:00.577","modified":"2026-06-16T23:12:46.643","status":"Modified","description":"The GeckoActiveXObject function in Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, generates different exception messages depending on whether the referenced COM object is listed in the registry, which allows remote attackers to obtain potentially sensitive information about installed software by making multiple calls that specify the ProgID values of different COM objects.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-200"],"references":["http://secunia.com/advisories/37699","http://secunia.com/advisories/37785","http://securitytracker.com/id?1023346","http://securitytracker.com/id?1023347","http://www.mozilla.org/security/announce/2009/mfsa2009-71.html"],"products":["mozilla:firefox","mozilla:seamonkey"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3987","score":0.01616,"percentile":0.76028,"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."]}