{"id":"CVE-2026-9639","revision":"8e0388ed38314a5fbf9752141768d17b","records":[{"revision":"8e0388ed38314a5fbf9752141768d17b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-9639","aliases":[],"title":"Authenticated Denial of Service via Malicious Backup Tarball in LXD","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.","state":0,"publishedAt":"2026-06-26T15:39:04.696+00:00","modifiedAt":"2026-06-26T16:02:11.52+00:00","affected":[{"ecosystem":"Vendor product","name":"LXD","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Canonical\",\n                    \"product\": \"LXD\",\n                    \"packageName\": \"LXD\",\n                    \"platforms\": [\n                        \"Linux\"\n                    ],\n                    \"repo\": \"https://github.com/canonical/lxd\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"5.21.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"5.21.5\"\n                        },\n                        {\n                            \"version\": \"6.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"6.9\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/canonical/lxd/security/advisories/GHSA-j93m-3j9p-m5m8","https://github.com/canonical/lxd/pull/18320","https://github.com/canonical/lxd/pull/18390"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-9639","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-9639","identifiers":["CVE-2026-9639"]},"retained":false,"historicalAffected":[]}],"coverage":[]}