Ref# ADV2025_138 | Date: May 30th 2025

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Citrix has published a security advisory to address vulnerabilities affecting the following products on May 27, 2025. It is recommended that you take the necessary precautions to ensure your products are always protected.

• XenServer VM Tools for Windows – versions prior to 9.4.1

For more information on these updates, you can follow this URL: 

https://support.citrix.com/s/article/CTX692748-xenserver-and-citrix-hypervisor-security-update-for-cve202527462-cve202527463-cve202527464?language=en_US

The Guyana National CIRT recommends that users and administrators review these updates and apply them where necessary.

PDF Download: Citrix Security Advisory

References

• Citrix Knowledge Center. (2025, May 27). Retrieved from Citrix. https://support.citrix.com/s/?language=en_US#/?ct=Security%20Bulletins&searchText=&sortBy=Created%20date&pageIndex=1
• Citrix security advisory. (2025, May 27). Retrieved from Canadian Centre for Cyber Security. https://www.cyber.gc.ca/en/alerts-advisories/citrix-security-advisory-av25-298