Vulnerability in Linuxfoundation Pytorch
CVE-2025-3730
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (23.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Linuxfoundation Pytorch — versions 2.6.0
- Pytorch — versions 2.6.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/pytorch/pytorch/issues/150835 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/pytorch/pytorch/pull/150981 (issue-tracking, Patch, Issue Tracking)
- github.com/pytorch/pytorch/issues/150835 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
- github.com/timocafe/tewart-pytorch/commit/46fc5d8e360127361211cb237d5f9eef0223e… (Patch, patch)
Frequently asked questions
- What is CVE-2025-3730?
- CVE-2025-3730 is a low-severity vulnerability in Linuxfoundation Pytorch, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2025-04-16.
- How severe is CVE-2025-3730?
- Low severity. CVSS v3 base score is 3.3 out of 10.