CVE-2025-3121
CVSS v3
5.5
MEDIUM
EPSS Score
0.3 %
exploit probability, as of 2026-10-12
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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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 · no fixed version listed
Vendor advisories
- CVE-2025-3121 Red Hat Product Security
PyTorch: PyTorch torch.jit.jit_module_from_flatbuffer memory corruption
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.
Technical details
- Published
- 2025-04-02
Frequently asked questions
What is 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 exploit has been disclosed to the public and may be used.
Is CVE-2025-3121 actively exploited?
Active exploitation of CVE-2025-3121 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-2025-3121?
CVE-2025-3121 has a CVSS v3 base score of 5.5 (MEDIUM severity).
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