CVE-2025-3730

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 v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-404 CWE-404

Affected Products

Vendor	Product	Versions
linuxfoundation	pytorch	All

References

Advisories & Patches

https://github.com/pytorch/pytorch/issues/150835 https://github.com/pytorch/pytorch/issues/150835#issue-2979082232 https://github.com/pytorch/pytorch/pull/150981 https://github.com/timocafe/tewart-pytorch/commit/46fc5d8e360127361211cb237d5f9eef0223e567 https://github.com/pytorch/pytorch/issues/150835

Exploits

https://github.com/pytorch/pytorch/issues/150835 https://github.com/pytorch/pytorch/issues/150835#issue-2979082232 https://vuldb.com/?submit.553645 https://github.com/pytorch/pytorch/issues/150835

Other References

https://vuldb.com/?ctiid.305076 https://vuldb.com/?id.305076

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-3730? +

CVE-2025-3730 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-3730? +

CVE-2025-3730 affects products from linuxfoundation, specifically: pytorch. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3730? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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