Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with cancreatestoragevolumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expiresat snapshot field.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9639.json",
"cna_assigner": "canonical",
"cwe_ids": [
"CWE-476"
]
}{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"introduced": "5.21.0"
},
{
"fixed": "5.21.5"
},
{
"introduced": "6.0"
},
{
"fixed": "6.9"
}
]
}