CVE-2026-9639
Published:June 26, 2026
Updated:June 29, 2026
Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with can_create_storage_volumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expires_at snapshot field.
Affected Packages
https://github.com/canonical/lxd.git (GITHUB):
Affected version(s) >=lxd-5.21.0 <lxd-5.21.5Fix Suggestion:
Update to version lxd-5.21.5https://github.com/canonical/lxd.git (GITHUB):
Affected version(s) >=lxd-6.1 <lxd-6.9Fix Suggestion:
Update to version lxd-6.9github.com/canonical/lxd (GO):
Affected version(s) >=v0.0.0-20210714222402-c6ff9e71bb6d <v0.0.0-20260622081844-85f897013ccdFix Suggestion:
Update to version v0.0.0-20260622081844-85f897013ccdRelated Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
NULL Pointer Dereference
EPSS
Base Score:
0.38