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CVE-2025-3730 – PyTorch Denial of Service Vulnerability in torch.nn.functional.ctc_loss

The following table lists the changes that have been made to the
CVE-2025-3730 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Apr. 16, 2025

    Action Type Old Value New Value
    Added Description A vulnerability, which was classified as problematic, was found in PyTorch 2.6.0. Affected is the function torch.nn.functional.ctc_loss of the file aten/src/ATen/native/LossCTC.cpp. The manipulation leads to denial of service. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 46fc5d8e360127361211cb237d5f9eef0223e567. It is recommended to apply a patch to fix this issue.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-404
    Added Reference https://github.com/pytorch/pytorch/issues/150835
    Added Reference https://github.com/pytorch/pytorch/issues/150835#issue-2979082232
    Added Reference https://github.com/pytorch/pytorch/pull/150981
    Added Reference https://github.com/timocafe/tewart-pytorch/commit/46fc5d8e360127361211cb237d5f9eef0223e567
    Added Reference https://vuldb.com/?ctiid.305076
    Added Reference https://vuldb.com/?id.305076
    Added Reference https://vuldb.com/?submit.553645
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