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CVE-2013-6640

20
FAUCET Score

CVE-2013-6640 describes an out-of-bounds read vulnerability in the DehoistArrayIndex function of Google V8, affecting Google Chrome versions prior to 31.0.1650.63. This flaw allows remote attackers to trigger a denial of service by crafting malicious JavaScript that manipulates array indices. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation is reported, the vulnerability garnered some community discussion and media coverage at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 31.0.1650.62CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
31.0.1650.0CPE matchmatch criteria
cpe:2.3:a:google:chrome:31.0.1650.0:*:*:*:*:*:*:*
31.0.1650.2CPE matchmatch criteria
cpe:2.3:a:google:chrome:31.0.1650.2:*:*:*:*:*:*:*
31.0.1650.3CPE matchmatch criteria
cpe:2.3:a:google:chrome:31.0.1650.3:*:*:*:*:*:*:*
31.0.1650.4CPE matchmatch criteria
cpe:2.3:a:google:chrome:31.0.1650.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 58th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

redhatpatch availablevia redhat_api
Product: Red Hat Satellite 6.0Fixed in: v8-1:3.14.5.10-11.el7sat
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections 1 for Red Hat Enterprise Linux 6Fixed in: v8314-v8-1:3.14.5.10-6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.4 EUSFixed in: v8314-v8-1:3.14.5.10-6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.5 EUSFixed in: v8314-v8-1:3.14.5.10-6.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections 1 for Red Hat Enterprise Linux 7Fixed in: v8314-v8-1:3.14.5.10-6.el7
View patch
redhatend of lifevia redhat_api
Product: CloudForms Management Engine 5Fixed in: ruby193-v8
redhatend of lifevia redhat_api
Product: OpenShift Enterprise 1Fixed in: ruby193-v8
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: v8
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 3Fixed in: ruby193-v8
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 3Fixed in: v8
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 4Fixed in: ruby193-v8
redhatend of lifevia redhat_api
Product: Red Hat OpenStack Platform 4Fixed in: v8
redhatend of lifevia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: ruby193-v8
redhatend of lifevia redhat_api
Product: Red Hat Subscription Asset ManagerFixed in: v8

Vendor Advisories (1)

redhatCVE-2013-6640Moderate

v8: DoS (out-of-bounds read) in DehoistArrayIndex function in hydrogen.cc

Dec 4, 2013

References

code.google.com / p/v8/source/detail
Patch
googlechromereleases.blogspot.com / 2013/12/stable-channel-update.html
Vendor Advisory
lists.opensuse.org / opensuse-updates/2013-12/msg00090.html
lists.opensuse.org / opensuse-updates/2013-12/msg00096.html
lists.opensuse.org / opensuse-updates/2013-12/msg00122.html
lists.opensuse.org / opensuse-updates/2013-12/msg00124.html
lists.opensuse.org / opensuse-updates/2014-01/msg00042.html
lists.opensuse.org / opensuse-updates/2014-01/msg00063.html
code.google.com / p/chromium/issues/detail
secunia.com / advisories/56216
secunia.com / advisories/56217
debian.org / security/2013/dsa-2811
securitytracker.com / id/1029442