What is CVE-2019-6200?

CVE-2019-6200 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2019-03-05.

How severe is CVE-2019-6200?

High severity. CVSS v3 base score is 8.8 out of 10.

Out-of-bounds Read in Apple iOS

CVE-2019-6200

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3. An attacker in a privileged network position may be able to execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2019-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apple iOS — versions unspecified
Apple Iphone OS
Apple macOS — versions unspecified
Apple Mac OS X

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

support.apple.com/HT209446 (Vendor Advisory)
support.apple.com/HT209443 (Vendor Advisory)
www.securityfocus.com/bid/106694 (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2019-6200?: CVE-2019-6200 is a high-severity vulnerability in Apple iOS, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2019-03-05.
How severe is CVE-2019-6200?: High severity. CVSS v3 base score is 8.8 out of 10.