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Vulnerability record · CVE-2018-4312 · published 3 April 2019

CVE-2018-4312: Apple safari use after free vulnerability

Apple · Safari

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

8.8 CVSS 3.0 High EPSS 9.3% · top 4.8% CWE-416 · Use after free
8.8CVSS 3.0 base score, v2 6.8
9.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://support.apple.com/kb/HT209106 Vendor Advisory
https://support.apple.com/kb/HT209107 Vendor Advisory
https://support.apple.com/kb/HT209109 Vendor Advisory
https://support.apple.com/kb/HT209140 Vendor Advisory
https://support.apple.com/kb/HT209141 Vendor Advisory
https://support.apple.com/kb/HT209106 Vendor Advisory
https://support.apple.com/kb/HT209107 Vendor Advisory
https://support.apple.com/kb/HT209109 Vendor Advisory
https://support.apple.com/kb/HT209140 Vendor Advisory
https://support.apple.com/kb/HT209141 Vendor Advisory

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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-2018-4312), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.