Buffer overflow in Apple Icloud

CVE-2019-8749

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-0…

Vulnerability class: Buffer Overflow

EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-8749?
CVE-2019-8749 is a critical-severity vulnerability in Apple Icloud, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-10-27.
How severe is CVE-2019-8749?
Critical severity. CVSS v3 base score is 9.8 out of 10.