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CVE-2026-9639

26
FAUCET Score

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.

First published: Jun 26, 2026Last modified: Jun 26, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.0.0, < 5.21.5CPE matchmatch criteria
cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*
>= 6.0, < 6.9CPE matchmatch criteria
cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*
>= 5.21.0, < 5.21.5CPE match
cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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 Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 44th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / canonical/lxd/pull/18320
Issue TrackingPatch
github.com / canonical/lxd/pull/18390
Issue TrackingPatch
github.com / canonical/lxd/security/advisories/GHSA-j93m-3j9p-m5m8
ExploitPatchVendor Advisory