What is CVE-2019-5801?

CVE-2019-5801 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-05-23.

How severe is CVE-2019-5801?

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

Improper input validation in Apple Iphone OS

CVE-2019-5801

Incorrect eliding of URLs in Omnibox in Google Chrome on iOS prior to 73.0.3683.75 allowed a remote attacker to perform domain spoofing via a crafted HTML page.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-05-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Apple Iphone OS
Google Chrome — versions prior to 73.0.3683.75
openSUSE Backports — versions sle-15
openSUSE Leap — versions 15.0, 15.1, 42.3

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

Frequently asked questions

What is CVE-2019-5801?: CVE-2019-5801 is a medium-severity vulnerability in Apple Iphone OS, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-05-23.
How severe is CVE-2019-5801?: Medium severity. CVSS v3 base score is 6.5 out of 10.