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Vulnerability record · CVE-2025-3121 · published 2 April 2025

CVE-2025-3121: Linuxfoundation pytorch memory buffer overflow vulnerability

Linuxfoundation · Pytorch

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.

4.8 CVSS 4.0 Medium EPSS 0.27% · top 82.2% CWE-119 · Memory buffer overflow
4.8CVSS 4.0 base score, v2 1.7
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/pytorch/pytorch/issues/149800 Issue TrackingVendor Advisory
https://github.com/pytorch/pytorch/issues/149800#issue-2940240700 Issue TrackingVendor Advisory
https://vuldb.com/?ctiid.303012 Permissions RequiredVDB Entry
https://vuldb.com/?id.303012 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.525049 ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-3121), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.