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Vulnerability record · CVE-2018-4404 · published 11 January 2019

CVE-2018-4404: Apple iphone os memory buffer overflow vulnerability

Apple · Iphone Os

In iOS before 11.4 and macOS High Sierra before 10.13.5, a memory corruption issue exists and was addressed with improved memory handling.

8.8 CVSS 3.1 High EPSS 14% · top 3.6% CWE-119 · Memory buffer overflow
8.8CVSS 3.1 base score, v2 9.3
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In iOS before 11.4 and macOS High Sierra before 10.13.5, a memory corruption issue exists and was addressed with improved memory handling.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/HT208848%2C
https://support.apple.com/HT208849 Vendor Advisory
https://www.exploit-db.com/exploits/45998/ Third Party AdvisoryVDB Entry
https://support.apple.com/HT208848%2C
https://support.apple.com/HT208849 Vendor Advisory
https://www.exploit-db.com/exploits/45998/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-4404), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.