What is CVE-2017-13854?

CVE-2017-13854 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 2018-04-03.

How severe is CVE-2017-13854?

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

Buffer overflow in Apple Iphone OS

CVE-2017-13854

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "Kernel" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Vulnerability class: Buffer Overflow

Published 2018-04-03 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.013 (68.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: -0.000

Affected products

Weakness classification (CWE)

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

References

support.apple.com/HT208144 (Vendor Advisory)
support.apple.com/HT208113 (Vendor Advisory)
support.apple.com/HT208112 (Vendor Advisory)
support.apple.com/HT208115 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-13854?: CVE-2017-13854 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 2018-04-03.
How severe is CVE-2017-13854?: High severity. CVSS v3 base score is 7.8 out of 10.