May 17, 2019 by Jamf Threat Labs
The iOS 12.3/MacOS 10.14.5 version was released on May 13th, 2019. This update patched a Use-After-Free vulnerability in the XNU kernel that Jamf Threat Labs team independently discovered in early May 2019. However, at the time of writing, the Jamf team is not aware whether a CVE was assigned to this vulnerability since it was patched during our preparations to disclose this vulnerability to Apple.