What is CVE-2018-4206?

CVE-2018-4206 is a high-severity vulnerability in Apple Tv, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-06-08.

How severe is CVE-2018-4206?

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

Is CVE-2018-4206 known to be exploited?

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

Buffer overflow in Apple Tv

CVE-2018-4206

An issue was discovered in certain Apple products. iOS before 11.3.1 is affected. macOS before 10.13.4 Security Update 2018-001 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Crash Reporter" component. It allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted app that replaces a privileged port name.

Vulnerability class: Buffer Overflow

Published 2018-06-08 · 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: 0.049 (91.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000

Affected products

Weakness classification (CWE)

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

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

support.apple.com/HT208850 (Vendor Advisory)
support.apple.com/HT208851 (Vendor Advisory)
www.securitytracker.com/id/1040744 (VDB Entry, Third Party Advisory, vdb-entry)
bugs.chromium.org/p/project-zero/issues/detail (Exploit, Third Party Advisory)
support.apple.com/HT208743 (Vendor Advisory)
www.securityfocus.com/bid/103957 (VDB Entry, Third Party Advisory, vdb-entry)
support.apple.com/HT208742 (Vendor Advisory)
www.securityfocus.com/bid/103958 (VDB Entry, Third Party Advisory, vdb-entry)
www.exploit-db.com/exploits/44562/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2018-4206?: CVE-2018-4206 is a high-severity vulnerability in Apple Tv, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-06-08.
How severe is CVE-2018-4206?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-4206 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.