Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.
2011-02-02T22:00:02.487
2025-04-11T00:51:21.963
Deferred
CVSSv2: 5.0 (MEDIUM)
AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | php | php | ≤ 5.3.3 | Yes |
| Application | php | php | 1.0 | Yes |
| Application | php | php | 2.0 | Yes |
| Application | php | php | 2.0b10 | Yes |
| Application | php | php | 3.0 | Yes |
| Application | php | php | 3.0.1 | Yes |
| Application | php | php | 3.0.2 | Yes |
| Application | php | php | 3.0.3 | Yes |
| Application | php | php | 3.0.4 | Yes |
| Application | php | php | 3.0.5 | Yes |
| Application | php | php | 3.0.6 | Yes |
| Application | php | php | 3.0.7 | Yes |
| Application | php | php | 3.0.8 | Yes |
| Application | php | php | 3.0.9 | Yes |
| Application | php | php | 3.0.10 | Yes |
| Application | php | php | 3.0.11 | Yes |
| Application | php | php | 3.0.12 | Yes |
| Application | php | php | 3.0.13 | Yes |
| Application | php | php | 3.0.14 | Yes |
| Application | php | php | 3.0.15 | Yes |
| Application | php | php | 3.0.16 | Yes |
| Application | php | php | 3.0.17 | Yes |
| Application | php | php | 3.0.18 | Yes |
| Application | php | php | 4.0 | Yes |
| Application | php | php | 4.0 | Yes |
| Application | php | php | 4.0 | Yes |
| Application | php | php | 4.0 | Yes |
| Application | php | php | 4.0 | Yes |
| Application | php | php | 4.0 | Yes |
| Application | php | php | 4.0.0 | Yes |
| Application | php | php | 4.0.1 | Yes |
| Application | php | php | 4.0.2 | Yes |
| Application | php | php | 4.0.3 | Yes |
| Application | php | php | 4.0.4 | Yes |
| Application | php | php | 4.0.5 | Yes |
| Application | php | php | 4.0.6 | Yes |
| Application | php | php | 4.0.7 | Yes |
| Application | php | php | 4.1.0 | Yes |
| Application | php | php | 4.1.1 | Yes |
| Application | php | php | 4.1.2 | Yes |
| Application | php | php | 4.2.0 | Yes |
| Application | php | php | 4.2.1 | Yes |
| Application | php | php | 4.2.2 | Yes |
| Application | php | php | 4.2.3 | Yes |
| Application | php | php | 4.3.0 | Yes |
| Application | php | php | 4.3.1 | Yes |
| Application | php | php | 4.3.2 | Yes |
| Application | php | php | 4.3.3 | Yes |
| Application | php | php | 4.3.4 | Yes |
| Application | php | php | 4.3.5 | Yes |
| Application | php | php | 4.3.6 | Yes |
| Application | php | php | 4.3.7 | Yes |
| Application | php | php | 4.3.8 | Yes |
| Application | php | php | 4.3.9 | Yes |
| Application | php | php | 4.3.10 | Yes |
| Application | php | php | 4.3.11 | Yes |
| Application | php | php | 4.4.0 | Yes |
| Application | php | php | 4.4.1 | Yes |
| Application | php | php | 4.4.2 | Yes |
| Application | php | php | 4.4.3 | Yes |
| Application | php | php | 4.4.4 | Yes |
| Application | php | php | 4.4.5 | Yes |
| Application | php | php | 4.4.6 | Yes |
| Application | php | php | 4.4.7 | Yes |
| Application | php | php | 4.4.8 | Yes |
| Application | php | php | 4.4.9 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.0 | Yes |
| Application | php | php | 5.0.1 | Yes |
| Application | php | php | 5.0.2 | Yes |
| Application | php | php | 5.0.3 | Yes |
| Application | php | php | 5.0.4 | Yes |
| Application | php | php | 5.0.5 | Yes |
| Application | php | php | 5.1.0 | Yes |
| Application | php | php | 5.1.1 | Yes |
| Application | php | php | 5.1.2 | Yes |
| Application | php | php | 5.1.3 | Yes |
| Application | php | php | 5.1.4 | Yes |
| Application | php | php | 5.1.5 | Yes |
| Application | php | php | 5.1.6 | Yes |
| Application | php | php | 5.2.0 | Yes |
| Application | php | php | 5.2.1 | Yes |
| Application | php | php | 5.2.2 | Yes |
| Application | php | php | 5.2.3 | Yes |
| Application | php | php | 5.2.4 | Yes |
| Application | php | php | 5.2.4 | Yes |
| Application | php | php | 5.2.5 | Yes |
| Application | php | php | 5.2.6 | Yes |
| Application | php | php | 5.2.7 | Yes |
| Application | php | php | 5.2.8 | Yes |
| Application | php | php | 5.2.9 | Yes |
| Application | php | php | 5.2.10 | Yes |
| Application | php | php | 5.2.11 | Yes |
| Application | php | php | 5.2.12 | Yes |
| Application | php | php | 5.2.13 | Yes |
| Application | php | php | 5.2.14 | Yes |
| Application | php | php | 5.2.15 | Yes |
| Application | php | php | 5.2.16 | Yes |
| Application | php | php | 5.2.17 | Yes |
| Application | php | php | 5.3.0 | Yes |
| Application | php | php | 5.3.1 | Yes |
| Application | php | php | 5.3.2 | Yes |