CVE-2025-3730

MEDIUM EPSS 18.7%
Published Apr 16, 20251y ago · Modified Jun 17, 20261w ago
4.8 CVSS 4.0
Medium
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Published Apr 16, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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 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.

CVSS Details

Base Score
4.8
Exploitability
—
Impact
—
Vector string
CVSS:4.0/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
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
18.7% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-404

Affected Products 1

VendorProductVersionRange
linuxfoundationpytorch2.6.0any

References 7

  • github.com https://github.com/pytorch/pytorch/issues/150835
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/pytorch/pytorch/issues/150835#issue-2979082232
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/pytorch/pytorch/pull/150981
    Issue TrackingPatch
  • github.com https://github.com/timocafe/tewart-pytorch/commit/46fc5d8e360127361211cb237d5f9eef0223e567
    Patch
  • vuldb.com https://vuldb.com/?ctiid.305076
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.305076
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.553645
    ExploitThird Party AdvisoryVDB Entry

Remediation

  • github.com https://github.com/pytorch/pytorch/pull/150981
    Issue TrackingPatch
  • github.com https://github.com/timocafe/tewart-pytorch/commit/46fc5d8e360127361211cb237d5f9eef0223e567
    Patch