CVE-2026-9639
Authenticated Denial of Service via Malicious Backup Tarball in LXD
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-476 |
| Vendor | canonical |
| Product | lxd |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 26, 2026 |
| Last Updated | Jun 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Canonical / LXD
5.21.0 < 5.21.5 6.0 < 6.9