PT-2026-52843 · Canonical · Lxd

Published 2026-06-26 · Updated 2026-06-26 · CVE-2026-9639

NVD

CVSS v3.1

6.5

Medium

Base vector

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

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.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-9639

Affected Products

Lxd

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-9639 · Security Note
• https://github.com/canonical/lxd/pull/18320 · Patch
• https://github.com/canonical/lxd/pull/18390 · Patch
• https://github.com/canonical/lxd/security/advisories/GHSA-j93m-3j9p-m5m8 · Vendor Advisory