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CVE-2019-11930 An invalid free in mb_detect_order can cause the application to crash or potentially result in remote code execution
Description
An invalid free in mb_detect_order can cause the application to crash or potentially result in remote code execution. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| HHVM 4.28 | 4.28.0 → latest | No fix stated |
| HHVM 4.27 | 4.27.0 → latest | No fix stated |
| HHVM 4.26 | 4.26.0 → latest | No fix stated |
| HHVM 4.25 | 4.25.0 → latest | No fix stated |
| HHVM 4.24 | 4.24.0 → latest | No fix stated |
| HHVM | 4.23.2 | No fix stated |
| HHVM 4.9 | 4.9.0 → latest | No fix stated |
| HHVM | 4.8.6 | No fix stated |
| HHVM 4.0 | 4.0.0 → latest | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| HHVM 3.30 | earliest → 3.30.12 | 3.30.12 |
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