What’s Vulnerable › Vulnerabilities

CVE-2009-3931

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2009-11-12 · updated 2026-06-16
• Weakness: CWE-20

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.

Affected products

• Google Chrome: through 3.0.195.21; 0.2.149.27, 0.2.149.29, 0.2.149.30, 0.2.152.1, 0.2.153.1, 0.3.154.0 (+36)

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
• http://googlechromereleases.blogspot.com/2009/11/stable-channel-update.html
• http://secunia.com/advisories/37273
• http://securethoughts.com/2009/11/using-blended-browser-threats-involving-chrome-to-steal-files-on-your-computer/
• http://www.osvdb.org/59742
• http://www.securityfocus.com/archive/1/507713
• http://www.securityfocus.com/bid/36947
• http://www.vupen.com/english/advisories/2009/3159

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