CVE-2026-79607
Medium
Description
During Xenstore live update the state record for a Xenstore watch with specified watch depth is written with two bytes missing. This results in an inconsistent state when reading the state back in the new Xenstore, causing a crash of Xenstore or wrong Xenstore data.
SeverityMedium
CVSS5.5
Exploit probability—
ProductXenstore
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Xenstore | No range specified | — |
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