CVE-2026-79607 in Xenstore

Resumen

por MITRE • 2026-10-13

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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

• Responsable: XEN
• Reservar: 2026-08-25
• Divulgación: 2026-10-13
• Moderación: aceptado
• Artículo: VDB-417773
• CPE: 20261013
• CWE: CWE-119 (confirmado)
• CVSS: 10.0 (VulDB)
• EPSS: 0.00000
• KEV: no
• Actividades: muy bajo
• Sector: Hospital, Lawfirm, ...

Fuentes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-79607
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-79607
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-79607/