Double free vulnerability in the _php_mb_regex_ereg_replace_exec function in php_mbregex.c in the mbstring extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by leveraging a callback exception.
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Php | Php | * | 5.5.36 (including) |
| Php | Php | 5.6.0-alpha1 (including) | 5.6.0-alpha1 (including) |
| Php | Php | 5.6.0-alpha2 (including) | 5.6.0-alpha2 (including) |
| Php | Php | 5.6.0-alpha3 (including) | 5.6.0-alpha3 (including) |
| Php | Php | 5.6.0-alpha4 (including) | 5.6.0-alpha4 (including) |
| Php | Php | 5.6.0-alpha5 (including) | 5.6.0-alpha5 (including) |
| Php | Php | 5.6.0-beta1 (including) | 5.6.0-beta1 (including) |
| Php | Php | 5.6.0-beta2 (including) | 5.6.0-beta2 (including) |
| Php | Php | 5.6.0-beta3 (including) | 5.6.0-beta3 (including) |
| Php | Php | 5.6.0-beta4 (including) | 5.6.0-beta4 (including) |
| Php | Php | 5.6.1 (including) | 5.6.1 (including) |
| Php | Php | 5.6.2 (including) | 5.6.2 (including) |
| Php | Php | 5.6.3 (including) | 5.6.3 (including) |
| Php | Php | 5.6.4 (including) | 5.6.4 (including) |
| Php | Php | 5.6.5 (including) | 5.6.5 (including) |
| Php | Php | 5.6.6 (including) | 5.6.6 (including) |
| Php | Php | 5.6.7 (including) | 5.6.7 (including) |
| Php | Php | 5.6.8 (including) | 5.6.8 (including) |
| Php | Php | 5.6.9 (including) | 5.6.9 (including) |
| Php | Php | 5.6.10 (including) | 5.6.10 (including) |
| Php | Php | 5.6.11 (including) | 5.6.11 (including) |
| Php | Php | 5.6.12 (including) | 5.6.12 (including) |
| Php | Php | 5.6.13 (including) | 5.6.13 (including) |
| Php | Php | 5.6.14 (including) | 5.6.14 (including) |
| Php | Php | 5.6.15 (including) | 5.6.15 (including) |
| Php | Php | 5.6.16 (including) | 5.6.16 (including) |
| Php | Php | 5.6.17 (including) | 5.6.17 (including) |
| Php | Php | 5.6.18 (including) | 5.6.18 (including) |
| Php | Php | 5.6.19 (including) | 5.6.19 (including) |
| Php | Php | 5.6.20 (including) | 5.6.20 (including) |
| Php | Php | 5.6.21 (including) | 5.6.21 (including) |
| Php | Php | 5.6.22 (including) | 5.6.22 (including) |
| Php | Php | 7.0.0 (including) | 7.0.0 (including) |
| Php | Php | 7.0.1 (including) | 7.0.1 (including) |
| Php | Php | 7.0.2 (including) | 7.0.2 (including) |
| Php | Php | 7.0.3 (including) | 7.0.3 (including) |
| Php | Php | 7.0.4 (including) | 7.0.4 (including) |
| Php | Php | 7.0.5 (including) | 7.0.5 (including) |
| Php | Php | 7.0.6 (including) | 7.0.6 (including) |
| Php | Php | 7.0.7 (including) | 7.0.7 (including) |