Buffer overflow in Linuxfoundation Pytorch

CVE-2025-3121

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 ex…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (16.9th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (issue-tracking, Issue Tracking, Vendor Advisory)
  • cna@vuldb.com (issue-tracking, exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-3121?
CVE-2025-3121 is a low-severity vulnerability in Linuxfoundation Pytorch, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-04-02.
How severe is CVE-2025-3121?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2025-3121 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.