An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.
References
| Link | Resource |
|---|---|
| https://support.apple.com/en-us/126348 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126795 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/126796 | Release Notes Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
25 Mar 2026, 21:32
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://support.apple.com/en-us/126348 - Release Notes, Vendor Advisory | |
| References | () https://support.apple.com/en-us/126795 - Release Notes, Vendor Advisory | |
| References | () https://support.apple.com/en-us/126796 - Release Notes, Vendor Advisory | |
| CPE | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | |
| First Time |
Apple macos
Apple |
25 Mar 2026, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.5 |
| CWE | CWE-190 |
25 Mar 2026, 01:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-03-25 01:17
Updated : 2026-03-25 21:32
NVD link : CVE-2026-20639
Mitre link : CVE-2026-20639
CVE.ORG link : CVE-2026-20639
JSON object : View
Products Affected
apple
- macos
CWE
CWE-190
Integer Overflow or Wraparound