A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
|
— |
26.4
|