CVE-2026-9639

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.

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2026-06-26

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• canonical:lxd

References

• https://github.com/canonical/lxd/pull/18320
• https://github.com/canonical/lxd/pull/18390
• https://github.com/canonical/lxd/security/advisories/GHSA-j93m-3j9p-m5m8
• https://github.com/canonical/lxd/security/advisories/GHSA-j93m-3j9p-m5m8

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