What is CVE-2017-15422?

CVE-2017-15422 is a medium-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-08-28.

How severe is CVE-2017-15422?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2017-15422 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Google Chrome

CVE-2017-15422

Integer overflow in international date handling in International Components for Unicode (ICU) for C/C++ before 60.1, as used in V8 in Google Chrome prior to 63.0.3239.84 and other products, allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.

Vulnerability class: Integer Overflow

Published 2018-08-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.025 (83.9th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Google Chrome
Icu-Project International Components For Unicode
Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
Debian Linux — versions 8.0, 9.0
Red Hat Enterprise Linux Desktop — versions 6.0
Red Hat Enterprise Linux Server — versions 6.0
Red Hat Enterprise Linux Workstation — versions 6.0
Google Chrome Prior To 63.0.3239.84 Unknown — versions Google Chrome prior to 63.0.3239.84 unknown

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.debian.org/security/2018/dsa-4150 (vendor-advisory)
crbug.com/774382
usn.ubuntu.com/3610-1/ (vendor-advisory)
access.redhat.com/errata/RHSA-2017:3401 (vendor-advisory)
security.gentoo.org/glsa/201801-03 (vendor-advisory)
chromereleases.googleblog.com/2017/12/stable-channel-update-for-desktop.html

Frequently asked questions

What is CVE-2017-15422?: CVE-2017-15422 is a medium-severity vulnerability in Google Chrome, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-08-28.
How severe is CVE-2017-15422?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-15422 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.