CVE-2025-3730
LOWPyTorch < 2.8.0 - Denial of Service in torch.nn.functional.ctc_loss
Title source: llmDescription
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 real existence of this vulnerability is still doubted at the moment. The name of the patch is 46fc5d8e360127361211cb237d5f9eef0223e567. It is recommended to apply a patch to fix this issue. The security policy of the project warns to use unknown models which might establish malicious effects.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.305076
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.305076
Exploit, Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.553645
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/pytorch/pytorch/issues/150835
Issue Tracking, Patch issue-tracking
https://github.com/pytorch/pytorch/pull/150981
Exploit, Issue Tracking, Vendor Advisory exploit
issue-tracking
https://github.com/pytorch/pytorch/issues/150835#issue-2979082232
Scores
CVSS v3
3.3
EPSS
0.0026
EPSS Percentile
17.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (2)
linuxfoundation/pytorch
2.6.0
pypi/torch
0 - 2.8.0PyPI
Published
Apr 16, 2025
Tracked Since
Feb 18, 2026