CVE-2013-6640

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-12-07 · updated 2026-06-17
Weakness: CWE-119

Description

The DehoistArrayIndex function in hydrogen-dehoist.cc (aka hydrogen.cc) in Google V8 before 3.22.24.7, as used in Google Chrome before 31.0.1650.63, allows remote attackers to cause a denial of service (out-of-bounds read) via JavaScript code that sets a variable to the value of an array element with a crafted index.

Affected products

Google Chrome: through 31.0.1650.62; 31.0.1650.0, 31.0.1650.2, 31.0.1650.3, 31.0.1650.4, 31.0.1650.5, 31.0.1650.6 (+51)
Google V8: through 3.22.24; 3.22.0, 3.22.1, 3.22.2, 3.22.3, 3.22.4, 3.22.5 (+18)

References

http://code.google.com/p/v8/source/detail?r=17801
http://googlechromereleases.blogspot.com/2013/12/stable-channel-update.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00090.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00096.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00122.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00124.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00042.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00063.html
http://secunia.com/advisories/56216
http://secunia.com/advisories/56217
http://www.debian.org/security/2013/dsa-2811
http://www.securitytracker.com/id/1029442

Get alerted when CVE-2013-6640 or the next vulnerability affects your stack