Vulnerability Details CVE-2026-9639
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 30.9%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-9639
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cpe:2.3:a:canonical:lxd:5.0.0
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cpe:2.3:a:canonical:lxd:5.0.1
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cpe:2.3:a:canonical:lxd:5.0.2
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cpe:2.3:a:canonical:lxd:5.0.3
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cpe:2.3:a:canonical:lxd:5.0.4
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cpe:2.3:a:canonical:lxd:5.0.5
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cpe:2.3:a:canonical:lxd:5.0.6
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cpe:2.3:a:canonical:lxd:5.0.7
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cpe:2.3:a:canonical:lxd:5.1
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cpe:2.3:a:canonical:lxd:5.10
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cpe:2.3:a:canonical:lxd:5.11
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cpe:2.3:a:canonical:lxd:5.12
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cpe:2.3:a:canonical:lxd:5.13
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cpe:2.3:a:canonical:lxd:5.14
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cpe:2.3:a:canonical:lxd:5.15
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cpe:2.3:a:canonical:lxd:5.16
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cpe:2.3:a:canonical:lxd:5.17
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cpe:2.3:a:canonical:lxd:5.18
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cpe:2.3:a:canonical:lxd:5.19
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cpe:2.3:a:canonical:lxd:5.2
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cpe:2.3:a:canonical:lxd:5.20
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cpe:2.3:a:canonical:lxd:5.21.0
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cpe:2.3:a:canonical:lxd:5.21.1
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cpe:2.3:a:canonical:lxd:5.21.2
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cpe:2.3:a:canonical:lxd:5.21.3
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cpe:2.3:a:canonical:lxd:5.21.4
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cpe:2.3:a:canonical:lxd:5.3
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cpe:2.3:a:canonical:lxd:5.4
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cpe:2.3:a:canonical:lxd:5.5
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cpe:2.3:a:canonical:lxd:5.6
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cpe:2.3:a:canonical:lxd:5.7
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cpe:2.3:a:canonical:lxd:5.8
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cpe:2.3:a:canonical:lxd:5.9
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cpe:2.3:a:canonical:lxd:6.0
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cpe:2.3:a:canonical:lxd:6.1
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cpe:2.3:a:canonical:lxd:6.2
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cpe:2.3:a:canonical:lxd:6.3
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cpe:2.3:a:canonical:lxd:6.4
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cpe:2.3:a:canonical:lxd:6.5
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cpe:2.3:a:canonical:lxd:6.6
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cpe:2.3:a:canonical:lxd:6.7
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cpe:2.3:a:canonical:lxd:6.8
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cpe:2.3:o:linux:linux_kernel:-