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Vulnerability record · CVE-2019-8577 · published 18 December 2019

CVE-2019-8577: Apple icloud memory buffer overflow vulnerability

Apple · Icloud

An input validation issue was addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. An application may be able to gain elevated privileges.

7.8 CVSS 3.1 High EPSS 10% · top 4.5% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 6.8
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

An input validation issue was addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. An application may be able to gain elevated privileges.

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

Affected products

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

References

LinkTags
https://research.checkpoint.com/2019/select-code_execution-from-using-sqlite/
https://support.apple.com/HT210118 Vendor Advisory
https://support.apple.com/HT210119 Vendor Advisory
https://support.apple.com/HT210120 Vendor Advisory
https://support.apple.com/HT210122 Vendor Advisory
https://support.apple.com/HT210124 Vendor Advisory
https://support.apple.com/HT210125 Vendor Advisory
https://support.apple.com/HT210212 Vendor Advisory
https://research.checkpoint.com/2019/select-code_execution-from-using-sqlite/
https://support.apple.com/HT210118 Vendor Advisory
https://support.apple.com/HT210119 Vendor Advisory
https://support.apple.com/HT210120 Vendor Advisory
https://support.apple.com/HT210122 Vendor Advisory
https://support.apple.com/HT210124 Vendor Advisory
https://support.apple.com/HT210125 Vendor Advisory
https://support.apple.com/HT210212 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-2019-8577), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.