Incorrect handling of googlechrome:// URL scheme on iOS in Intents in Google Chrome prior to 70.0.3538.67 allowed a remote attacker to esca…

published 2018-11-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9225

cvss: 9.6; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits: 0; none known

Incorrect handling of googlechrome:// URL scheme on iOS in Intents in Google Chrome prior to 70.0.3538.67 allowed a remote attacker to escape the <iframe> sandbox via a crafted HTML page.

Patch / fix

fixed in 1 distros 2

Google Chrome 70.0.3538.67

ubuntu opensuse

chromium-browser Ubuntu 16.04 LTS 70.0.3538.67-0ubuntu0.16.04.1
chromium-browser Ubuntu 18.04 LTS 70.0.3538.67-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-17472

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

chromium openSUSE Tumbleweed 93.0.4577.82-1.1
chromium openSUSE Tumbleweed 113.0.5672.92-1.1
chromium Package Hub 12 SP2 70.0.3538.102-74.1

opensuse advisories openSUSE-SU-2024:10681-1 openSUSE-SU-2024:12948-1 openSUSE-SU-2018:3835-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-17472 updated 2026-11-05 cvss 6.5

chromium-browser: iframe sandbox escape on iOS

Red Hat Enterprise Linux 6 chromium-browser
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.6	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Google Chrome

Classification

Weakness

CWE-20 Improper Input Validation

Technology feeds

Google Chrome rss critical rss

References

security.gentoo.org /glsa/201811-10
vendor-advisory
crbug.com /822518
chromereleases.googleblog.com /2018/10/stable-channel-update-for-desktop.html
securityfocus.com /bid/105666
vdb-entry

Sources

CVE List CVE-2018-17472
NVD CVE-2018-17472

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary