Buffer overflow in Apple Icloud

CVE-2019-8542

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious application may be able to elevate privileges.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (60.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8542?
CVE-2019-8542 is a high-severity vulnerability in Apple Icloud, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2019-12-18.
How severe is CVE-2019-8542?
High severity. CVSS v3 base score is 7.8 out of 10.