CVE-2025-3121: PYSEC-2025-196 - A vulnerability classified as problematic has been found in PyTorch 2.6.0. Affected is the function…

CVE-2025-3121 · Severity: low · CVSS 3.1 · Published 2025-04-02

A vulnerability classified as problematic has been found in PyTorch 2.6.0. Affected is the function torch.jit.jit_module_from_flatbuffer. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Technologies: torch (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2025-3121 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-3121 being exploited in the wild.
How severe is CVE-2025-3121?
Low severity, with a CVSS score of 3.1, published 2 April 2025.
Which products and versions are affected?
torch (PyPI) ECOSYSTEM:introduced=0,last_affected=2.6.0-NA.
Is there a fix for CVE-2025-3121?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-3121?
Check whether you run torch (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • torch (PyPI) ECOSYSTEM:introduced=0,last_affected=2.6.0-NA

Identifiers

  • CVE-2025-3121
  • PYSEC-2025-196

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