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

Currently unrated

Key Information:

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

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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

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Timeline

Vulnerability published
Jul 28, 2026
Vulnerability Reserved
Jul 14, 2026

CVE-2026-62433 Data

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