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CVE-2016-1633

30
FAUCET Score

CVE-2016-1633 is a critical use-after-free vulnerability in Blink, affecting Google Chrome versions prior to 49.0.2623.75. This flaw allows remote attackers to trigger a denial of service or potentially achieve other unspecified impacts through unknown vectors. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. Despite its high severity and significant media coverage, there is no public exploit code available, nor is it listed on CISA's KEV catalog, suggesting it is not actively exploited in the wild.

Impacted Technologies

VendorProductVersion(s)CPE
<= 48.0.2564.116CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 73rd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

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

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:49.0.2623.75-1.el6
View patch

Vendor Advisories (1)

redhatCVE-2016-1633Important

chromium-browser: use-after-free in Blink

Mar 2, 2016

References

googlechromereleases.blogspot.com / 2016/03/stable-channel-update.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00014.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00015.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00018.html
lists.opensuse.org / opensuse-security-announce/2016-03/msg00028.html
code.google.com / p/chromium/issues/detail
security.gentoo.org / glsa/201603-09
debian.org / security/2016/dsa-3507
securityfocus.com / bid/84008
securitytracker.com / id/1035185
ubuntu.com / usn/USN-2920-1