Use After Free in Apple Icloud
CVE-2019-8556
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.
Vulnerability class: Use-After-Free
EPSS: 0.014 (70.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Apple Icloud
- Apple Icloud For Windows — versions unspecified
- Apple Ios — versions unspecified
- Apple Iphone_os
- Apple Itunes
- Apple Itunes For Windows — versions unspecified
- Apple Safari — versions unspecified
- Apple Tvos — versions unspecified
Weakness classification (CWE)
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-8556?
- CVE-2019-8556 is a high-severity vulnerability in Apple Icloud, classified under Use After Free. CVSS score: 8.8/10. Published 2019-12-18.
- How severe is CVE-2019-8556?
- High severity. CVSS v3 base score is 8.8 out of 10.