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Vulnerability record · CVE-2019-8672 · published 18 December 2019

CVE-2019-8672: Apple icloud out-of-bounds write vulnerability

Apple · Icloud

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.

8.8 CVSS 3.1 High EPSS 11% · top 4.2% CWE-787 · Out-of-bounds write
8.8CVSS 3.1 base score, v2 9.3
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.

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

Affected products

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

References

LinkTags
https://support.apple.com/HT210346 Vendor Advisory
https://support.apple.com/HT210348 Vendor Advisory
https://support.apple.com/HT210351 Vendor Advisory
https://support.apple.com/HT210353 Vendor Advisory
https://support.apple.com/HT210355 Vendor Advisory
https://support.apple.com/HT210356 Vendor Advisory
https://support.apple.com/HT210357 Vendor Advisory
https://support.apple.com/HT210358 Vendor Advisory
https://support.apple.com/HT210346 Vendor Advisory
https://support.apple.com/HT210348 Vendor Advisory
https://support.apple.com/HT210351 Vendor Advisory
https://support.apple.com/HT210353 Vendor Advisory
https://support.apple.com/HT210355 Vendor Advisory
https://support.apple.com/HT210356 Vendor Advisory
https://support.apple.com/HT210357 Vendor Advisory
https://support.apple.com/HT210358 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-2019-8672), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.