WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 uses predictable random numbers in JavaScript applications, which makes it easier for remote web servers to track the behavior of a Safari user during a session.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Safari | Apple | * | 4.0_beta (including) |
| Safari | Apple | 0.8 (including) | 0.8 (including) |
| Safari | Apple | 0.9 (including) | 0.9 (including) |
| Safari | Apple | 1.0 (including) | 1.0 (including) |
| Safari | Apple | 1.0.3 (including) | 1.0.3 (including) |
| Safari | Apple | 1.1 (including) | 1.1 (including) |
| Safari | Apple | 1.2 (including) | 1.2 (including) |
| Safari | Apple | 1.3 (including) | 1.3 (including) |
| Safari | Apple | 1.3.1 (including) | 1.3.1 (including) |
| Safari | Apple | 1.3.2 (including) | 1.3.2 (including) |
| Safari | Apple | 2.0 (including) | 2.0 (including) |
| Safari | Apple | 2.0.2 (including) | 2.0.2 (including) |
| Safari | Apple | 2.0.4 (including) | 2.0.4 (including) |
| Safari | Apple | 3.0 (including) | 3.0 (including) |
| Safari | Apple | 3.0.2 (including) | 3.0.2 (including) |
| Safari | Apple | 3.0.3 (including) | 3.0.3 (including) |
| Safari | Apple | 3.0.4 (including) | 3.0.4 (including) |
| Safari | Apple | 3.1 (including) | 3.1 (including) |
| Safari | Apple | 3.1.1 (including) | 3.1.1 (including) |
| Safari | Apple | 3.1.2 (including) | 3.1.2 (including) |
| Safari | Apple | 3.2.1 (including) | 3.2.1 (including) |
| Safari | Apple | 3.2.3 (including) | 3.2.3 (including) |