high7.5
CVE-2026-20639
An integer overflow was addressed with improved input validation.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Macos | from 14.0 before 14.8.5 from 15.0 before 15.7.5 from 26.0 before 26.3 |