CVE-2026-9639

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.

CVSS Vector

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