CVE-2025-33248

CWE-502 — Deserialization of Untrusted Data3 documents3 sources
Severity
7.8HIGH
EPSS
0.1%
top 82.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nvidia Megatron-lmNvidia Megatron LM
Timeline
PublishedMar 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDnvidia/megatron-lm< 0.15.3
▶CVEListV5nvidia/megatron_lmAll versions prior to 0.15.3

🔴Vulnerability Details

2
GHSA
GHSA-wxjh-pc4c-7rjq: 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 maliciou↗2026-03-24
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CVEList
CVE-2025-33248: 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 maliciou↗2026-03-24
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CVE-2025-33248 (HIGH CVSS 7.8) | NVIDIA Megatron-LM contains a vulne | cvebase.io