SB2025112859 - Two vulnerabilities in libvirt

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Main Vulnerability Database SB2025112859

SB2025112859 - Two vulnerabilities in libvirt

Published: November 28, 2025

Security Bulletin ID SB2025112859
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2025-13193)

The vulnerability allows a remote user to gain access to sensitive information. 

The vulnerability exists due to external inactive snapshots for shut-down VMs are incorrectly created as world-readable. A remote user can inspect the guest OS contents.


2) Resource exhaustion (CVE-ID: CVE-2025-12748)

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 update from vendor's website.

References