medium6.5
CVE-2026-20657
A buffer overflow issue was addressed with improved memory handling.
Impact
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. Parsing a maliciously crafted file may lead to an unexpected app termination.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apple | Ipados | before 18.7.7 |
| Apple | Iphone Os | before 18.7.7 |
| Apple | Macos | from 14.0 before 14.8.5 from 15.0 before 15.7.5 |