An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.3. A remote attacker may be able to leak memory.
Source: MITRE
Published: 2020-04-01
Updated: 2021-07-21
Type: CWE-125
Base Score: 10
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 10
Severity: HIGH
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 3.9
Severity: CRITICAL