CVE-2025-3121
MEDIUMCVSS 5.5/10EPSS 0.24%
Last modified
CVE-2025-3121 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A vulnerability classified as problematic has been found in PyTorch 2.6.0. Affected is the function torch.jit.jit_module_from_flatbuffer. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linuxfoundation | Pytorch | 2.6.0 |
References
- https://github.com/pytorch/pytorch/issues/149800Issue Tracking, Vendor Advisory
- https://github.com/pytorch/pytorch/issues/149800#issue-2940240700Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.303012Permissions Required, VDB Entry
- https://vuldb.com/?id.303012Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.525049Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
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.
How severe is CVE-2025-3121?
CVE-2025-3121 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2025-3121?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-3121?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST