Buffer Handling Vulnerability in Xen Hypervisor by Xen Project
CVE-2026-62433

7.3HIGH

Key Information:

Vendor

Xen Project
Status
Xen Project
Vendor
CVE Published:
28 July 2026

What is CVE-2026-62433?

A vulnerability exists in the DM_OP handling code of Xen Hypervisor, where the implementation erroneously assumes the caller provides the correct number of buffers for operations with no validation. This leads to potential stack corruption, where the operations may access uninitialized or improperly initialized memory, resulting in unpredictable behavior or security implications.

Affected Version(s)

Xen consult Xen advisory XSA-506

References

https://xenbits.xenproject.org/xsa/advisory-506.html

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.