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.
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Advisories
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Fixes
Solution
Upgrade to LXD version 5.21.5 or later, or 6.9 or later.
Workaround
No workaround given by the vendor.
References
History
Fri, 26 Jun 2026 17:30:00 +0000
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| Metrics |
ssvc
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Fri, 26 Jun 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
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| Description | 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. | |
| Title | Authenticated Denial of Service via Malicious Backup Tarball in LXD | |
| Weaknesses | CWE-476 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: canonical
Published:
Updated: 2026-06-26T16:02:11.520Z
Reserved: 2026-05-26T18:31:05.985Z
Link: CVE-2026-9639
Updated: 2026-06-26T16:02:07.362Z
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OpenCVE Enrichment
Updated: 2026-06-26T17:45:03Z
Weaknesses