Vulnerability DatabaseCVE-2026-23556
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CVE-2026-23556
Published:July 09, 2026
Updated:August 06, 2026
When oxenstored is tearing a domain down, the node data is cleaned up but the usage counts are leaked. When the domain ID is eventually reused, the new domain can create fewer nodes before beeing deemed to be over quota.
Related Resources (3)
https://xenbits.xen.org/xsa/advisory-483.html
http://www.openwall.com/lists/oss-security/2026/04/28/10
http://xenbits.xen.org/xsa/advisory-483.html
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CVSS v4
Base Score:
9.4
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Preservation of Permissions
CWE-281
EPSS
Base Score:
0.14