An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1. Improper URL processing may lead to data exfiltration.
https://support.apple.com/HT210722
https://support.apple.com/HT210721
Source: Mitre, NVD
Published: 2019-12-18
Updated: 2019-12-26
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High