CVE-2025-33248 Details
Description
NVIDIA Megatron-LM contains a vulnerability in the hybrid conversion script where an Attacker may cause an RCE by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.
A remote code execution vulnerability has been identified in NVIDIA Megatron-LM, specifically within the hybrid conversion script. This vulnerability allows an attacker to execute arbitrary code by convincing a user to load a maliciously crafted file. Exploitation of this issue could also lead to unauthorized privilege escalation, disclosure of sensitive information, and tampering with data.
Users are advised to update NVIDIA Megatron-LM to version 0.15.3 or later. The updated version is available on the NVIDIA Megatron-LM GitHub repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 25, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://nvd.nist.gov/vuln/detail/CVE-2025-33248 | [email protected] | Third Party AdvisoryUS Government Resource |
| https://nvidia.custhelp.com/app/answers/detail/a_id/5769 | [email protected] | Vendor Advisory |
| https://www.cve.org/CVERecord?id=CVE-2025-33248 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-502 | Deserialization of Untrusted Data | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| nvidia megatron-lm | < 0.15.3 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 25, 2026 | Initial Analysis | [email protected] |
| Mar 24, 2026 | New CVE Received | [email protected] |