In iOS before 11.3, Safari before 11.1, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, an array indexing issue existed in the handling of a function in javascript core. This issue was addressed with improved checks.
| Software | From | Fixed in |
|---|---|---|
| apple / iphone_os | - | 11.3 |
| apple / safari | - | 11.1 |
| apple / watchos | - | 4.3 |
| apple / tvos | - | 11.3 |
| apple / itunes | - | 12.7.4 |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| webkitgtk / webkitgtk+ | - | 2.22.0 |