#VU118835 Resource exhaustion in libvirt - CVE-2025-12748

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Main Vulnerability Database Vulnerabilities #VU118835

#VU118835 Resource exhaustion in libvirt - CVE-2025-12748

Published: November 28, 2025


Vulnerability identifier: #VU118835
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-12748
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libvirt
Software vendor:
libvirt.org

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling XML files. A remote user can pass a specially crafted XML file to the application, trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links