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CVE-2013-6638

20
FAUCET Score

CVE-2013-6638 describes multiple buffer overflow vulnerabilities in the Google V8 JavaScript engine (specifically in runtime.cc) before version 3.22.24.7, impacting Google Chrome versions prior to 31.0.1650.63. These flaws, related to typed array initialization, can be triggered remotely and allow attackers to cause a denial of service or potentially achieve other unspecified impacts. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, public exploit code, or Metasploit/Nuclei modules, though it has received some community discussion and media coverage.

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
1.95%
Probability of exploitation in next 30 days
EPSS Percentile
78.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0195 is in the 62nd 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

Vendor Advisories (1)

redhatCVE-2013-6638Moderate

v8: multiple buffer overflows in runtime.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
mail-archive.com / v8-dev%40googlegroups.com/msg79646.html
securitytracker.com / id/1029442