An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3. An attacker in a privileged network position may be able to execute arbitrary code.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)