{"cve":"CVE-2009-3931","nvd":{"published":"2009-11-12T17:54:58.420","modified":"2026-06-16T23:12:38.870","status":"Modified","description":"Incomplete blacklist vulnerability in browser/download/download_exe.cc in Google Chrome before 3.0.195.32 allows remote attackers to force the download of certain dangerous files via a \"Content-Disposition: attachment\" designation, as demonstrated by (1) .mht and (2) .mhtml files, which are automatically executed by Internet Explorer 6; (3) .svg files, which are automatically executed by Safari; (4) .xml files; (5) .htt files; (6) .xsl files; (7) .xslt files; and (8) image files that are forbidden by the victim's site policy.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://code.google.com/p/chromium/issues/detail?id=23979","http://codereview.chromium.org/243115","http://codereview.chromium.org/261022","http://codereview.chromium.org/download/issue243115_2002.diff","http://codereview.chromium.org/download/issue261022_1.diff"],"products":["google:chrome"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3931","score":0.02254,"percentile":0.82932,"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."]}