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CVE-2017-15407

28
FAUCET Score

CVE-2017-15407 describes an out-of-bounds write vulnerability in the QUIC networking stack of Google Chrome prior to version 63.0.3239.84, affecting Debian, Google, and Red Hat distributions. This high-severity flaw (CVSS 8.8) allows a remote unauthenticated attacker to achieve code execution through user interaction with a malicious server. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 63.0.3239.84CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.43%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0243 is in the 82nd percentile among its peer group of 14,855 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-0:63.0.3239.84-1.el6_9
View patch

Vendor Advisories (1)

redhatCVE-2017-15407Critical

chromium-browser: out of bounds write in quic

Dec 6, 2017

References

access.redhat.com / errata/RHSA-2017:3401
chromereleases.googleblog.com / 2017/12/stable-channel-update-for-desktop.html
crbug.com / 778505
security.gentoo.org / glsa/201801-03
debian.org / security/2017/dsa-4064