Remote code execution

2019-12-0417:16:00

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9.8 High

AI Score

Confidence

High

0.035 Low

EPSS

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91.6%

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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.

CPENameOperatorVersion
hhvmge4.0.0
hhvmle4.8.5
hhvmlt3.30.12
hhvmge4.9.0
hhvmle4.23.1
hhvmeq4.24.0
hhvmeq4.25.0
hhvmeq4.26.0
hhvmeq4.27.0
hhvmeq4.28.0