CVE-2025-43400
Severity CVSS v4.0:
Pending analysis
Type:
CWE-787
Out-of-bounds Write
Publication date:
29/09/2025
Last modified:
04/11/2025
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 26.1, tvOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.
Impact
Base Score 3.x
6.30
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | 18.7.1 (excluding) | |
| cpe:2.3:o:apple:ipados:26.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | 18.7.1 (excluding) | |
| cpe:2.3:o:apple:iphone_os:26.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 14.0 (including) | 14.8.1 (excluding) |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 15.0 (including) | 15.7.1 (excluding) |
| cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:* | ||
| cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* | 26.0.1 (excluding) |
To consult the complete list of CPE names with products and versions, see this page



