How severe is CVE-2025-3730?

CVE-2025-3730 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-3730 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3730?

CVE-2025-3730 affects Linuxfoundation Pytorch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3730?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3730 have an EU (EUVD) identifier?

Yes. CVE-2025-3730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11538.

When was CVE-2025-3730 published?

CVE-2025-3730 was published on 2025-04-16 and last updated on 2026-06-17.

CVE-2025-3730

CVE-2025-3730 is a low-severity vulnerability in Linuxfoundation Pytorch with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 4.8
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11538
Weakness: CWE-404
Affected product: Linuxfoundation Pytorch
Published: 2025-04-16
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-3730?: CVE-2025-3730 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-3730 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3730?: CVE-2025-3730 affects Linuxfoundation Pytorch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3730?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3730 have an EU (EUVD) identifier?: Yes. CVE-2025-3730 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11538.
When was CVE-2025-3730 published?: CVE-2025-3730 was published on 2025-04-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:linuxfoundation:pytorch:2.6.0:-:*:*:*:python:*:*

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