CVE-2009-3931: Google Chrome

High severity, CVSS 9.3. EPSS: 2.3% chance of exploitation in the next 30 days.

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.

Affected products

• Google Chrome: up to and including 3.0.195.21; version 0.2.149.27 only; version 0.2.149.29 only; version 0.2.149.30 only; version 0.2.152.1 only; version 0.2.153.1 only; …

Published 2009-11-12. Last modified 2026-06-16.