#VU118830 Buffer overflow in vLLM - CVE-2025-62164

 

#VU118830 Buffer overflow in vLLM - CVE-2025-62164

Published: November 28, 2025 / Updated: January 9, 2026


Vulnerability identifier: #VU118830
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-62164
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
vLLM
Software vendor:
vLLM

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the Completions API endpoint when processing user-supplied prompt embeddings. A remote user can send specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links