SB2026032590 - Local information disclosure in Citrix XenServer
Published: March 25, 2026
Security Bulletin ID
SB2026032590
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2026-4397)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper management of internal resources on hosts with limited available memory. A local user can access data of a previously terminated VM when starting a new VM.
Remediation
Install update from vendor's website.