Google Chrome prior to 54.0 for iOS had insufficient validation of URLs for windows open by DOM, which allowed a remote attacker to bypass…

published 2016-12-18 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-6144

cvss: 4.3; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

Google Chrome prior to 54.0 for iOS had insufficient validation of URLs for windows open by DOM, which allowed a remote attacker to bypass restrictions on navigation to certain URL schemes via crafted HTML pages.

Patch / fix

distros 4

red hat suse opensuse arch linux

chromium-browser RHEL 6 EXTRAS 54.0.2840.59-1.el6

red hat advisories RHSA-2016:2067

chromium Package Hub 12 54.0.2840.59-109.1

suse advisories SUSE-SU-2016:2597-1 SUSE-SU-2016:2598-1

chromium openSUSE Tumbleweed 55.0.2883.75-3.1
chromium openSUSE Tumbleweed 113.0.5672.92-1.1
chromium Package Hub 12 54.0.2840.59-109.1

opensuse advisories openSUSE-SU-2024:10171-1 openSUSE-SU-2024:12948-1 openSUSE-SU-2016:2597-1

chromium Arch Linux 54.0.2840.59-1

arch linux advisories AVG-46

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-2016-5193 updated 2026-06-28 cvss 4.3

chromium-browser: scheme bypass

Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 54.0.2840.59-1.el6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 54.0.2840.59-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 54.0.2840.59-1.el6
fixed: vendor fix RHSA-2016:2067

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

1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

n/a Chrome prior to 54.0 for iOS

Classification

Weakness

CWE-20 Improper Input Validation

Technology feeds

Google Chrome rss critical rss

References

rhn.redhat.com /errata/RHSA-2016-2067.html
vendor-advisory
security.gentoo.org /glsa/201610-09
vendor-advisory
crbug.com /639658
securityfocus.com /bid/93528
vdb-entry
chromereleases.googleblog.com /2016/10/stable-channel-update-for-desktop.html

Sources

CVE List CVE-2016-5193
NVD CVE-2016-5193

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