CVE-2025-46153 Other in n/a

Medium 5.3 Published Updated

Inconsistent decomposition logic in PyTorch's bernoulli_p function affects dropout layers when fallback_random is enabled, potentially causing unexpected behavior.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-46153?

CVE-2025-46153 is a medium-severity vulnerability in n/a, published on 25 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PyTorch before 3.7.0 has a bernoulli_p decompose function in decompositions.py even though it lacks full consistency with the eager CPU implementation, negatively affecting nn.Dropout1d, nn.Dropout2d, and nn.Dropout3d for fallback_random=True.

Weakness: CWE-1176

Which versions are affected by CVE-2025-46153?

2 open source packages ship an affected version, including pytorch and torch. It affects 1 product.

PackageAffectedFixed in
pytorch BitnamiFrom 2.6.02.7.0
torch PyPIFrom 2.6.02.7.0

Products include Linuxfoundation Pytorch.

How do I fix CVE-2025-46153?

Upgrade pytorch to 2.7.0 or later.

Is CVE-2025-46153 being exploited?

There is no known exploitation of CVE-2025-46153 in the wild and no public exploit code.

Sources

Also known as BIT-pytorch-2025-46153, DEBIAN-CVE-2025-46153, ECHO-df59-c098-b576, GHSA-h36m-9qjr-pv93, PYSEC-2025-202, UBUNTU-CVE-2025-46153.

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