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CVE-2016-1639

31
FAUCET Score

CVE-2016-1639 is a critical use-after-free vulnerability in the WebRTC Audio Private API within 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 by exploiting incorrect reliance on a resource context pointer. With a CVSS score of 9.8 (CRITICAL), it presents a high-impact threat with no user interaction required and low attack complexity, potentially leading to full confidentiality, integrity, and availability compromise. While the vulnerability has a high FAUCET Risk Score of 85/100 and garnered significant community discussion and media coverage, there is currently no evidence of active exploitation, nor are public exploit modules available in Metasploit, Nuclei, or ExploitDB.

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
2.34%
Probability of exploitation in next 30 days
EPSS Percentile
81.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0234 is in the 72nd percentile among its peer group of 36,862 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-2016-1639Moderate

chromium-browser: use-after-free in WebRTC

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
codereview.chromium.org / 1703733002
security.gentoo.org / glsa/201603-09
debian.org / security/2016/dsa-3507
securityfocus.com / bid/84008
securitytracker.com / id/1035185