What is CVE-2018-4327?

CVE-2018-4327 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-04-03.

How severe is CVE-2018-4327?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2018-4327 known to be exploited?

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

Buffer overflow in Apple Iphone OS

CVE-2018-4327

A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1.

Vulnerability class: Buffer Overflow

EPSS: 0.023 (81.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Iphone_os
N/a Ios — versions Versions prior to: iOS 11.4.1

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-4327?: CVE-2018-4327 is a high-severity vulnerability in Apple Iphone OS, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2019-04-03.
How severe is CVE-2018-4327?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-4327 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.