CVE-2025-3730
CVSS v3
5.5
MEDIUM
EPSS Score
0.3 %
exploit probability, as of 2026-10-12
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Get an alert for each new CVE published for torch. Watch torch in CVE Watch Free account · no credit card
Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- pytorchBitnamifrom 2.6.0 · fixed in 2.7.0
- torchPyPIall versions · fixed in 2.8.0
Vendor advisories
- CVE-2025-3730 Red Hat Product Security
PyTorch: PyTorch LossCTC.cpp torch.nn.functional.ctc_loss denial of service
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.
Technical details
- Published
- 2025-04-16
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.
Is CVE-2025-3730 actively exploited?
Active exploitation of CVE-2025-3730 has not been confirmed. Its EPSS score was 0.3% on 2026-10-12, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-3730?
CVE-2025-3730 has a CVSS v3 base score of 5.5 (MEDIUM severity).
Running torch? Hear about its next vulnerability
CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.
Already have an account? Open CVE Watch
No credit card required · 50 free checks/month · Free API key
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? CVE Watch alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.