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CVE-2016-1646

86
FAUCET Score

CVE-2016-1646 is a critical out-of-bounds read vulnerability in the Array.prototype.concat implementation of Google V8, affecting Google Chrome and various Linux distributions. With a CVSS score of 8.8 (High), this vulnerability can be exploited remotely with low complexity via crafted JavaScript, potentially leading to denial of service or other unspecified impacts. This flaw has been actively exploited in the wild, notably by the POISON CARP threat actor, despite a lack of public exploit code in Metasploit or ExploitDB. The vulnerability garnered significant community discussion and media coverage, indicating its widespread recognition and impact.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
15.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
48.11%
Probability of exploitation in next 30 days
EPSS Percentile
98.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Jun 8, 2022
This CVE's current EPSS score of 0.4811 is in the 99th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:49.0.2623.108-1.el6
View patch

Vendor Advisories (1)

redhatCVE-2016-1646Important

chromium-browser: out-of-bounds read in V8

Mar 24, 2016

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
googlechromereleases.blogspot.com / 2016/03/stable-channel-update_24.html
Release NotesVendor Advisory
lists.opensuse.org / opensuse-security-announce/2016-04/msg00000.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-04/msg00001.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2016-04/msg00039.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2016-0525.html
Third Party Advisory
code.google.com / p/chromium/issues/detail
ExploitIssue TrackingMailing List
codereview.chromium.org / 1804963002
Patch
security.gentoo.org / glsa/201605-02
Third Party Advisory
debian.org / security/2016/dsa-3531
Mailing ListThird Party Advisory
securitytracker.com / id/1035423
Broken LinkThird Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2955-1
Third Party Advisory