CVE-2025-33247

CWE-502 — Deserialization of Untrusted Data3 documents3 sources
Severity
7.8HIGH
EPSS
0.3%
top 49.95%
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 quantization configuration loading, which could allow remote code execution. A successful exploit of this vulnerability might 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
CVEList
CVE-2025-33247: NVIDIA Megatron LM contains a vulnerability in quantization configuration loading, which could allow remote code execution↗2026-03-24
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GHSA
GHSA-qm3j-hh5g-jmq2: NVIDIA Megatron LM contains a vulnerability in quantization configuration loading, which could allow remote code execution↗2026-03-24
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CVE-2025-33247 (HIGH CVSS 7.8) | NVIDIA Megatron LM contains a vulne | cvebase.io