CVE-2026-9639

{
  "id": "CVE-2026-9639",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-26T16:16:37.143",
  "lastModified": "2026-10-25T17:10:00.197",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Desreferencia de puntero nulo en CreateCustomVolumeFromBackup en LXD hasta la versión 6.8 y 5.21 en Linux permite a un usuario autenticado con permisos can_create_storage_volumes causar una denegación de servicio mediante un tarball de respaldo de volumen personalizado especialmente diseñado que omite el campo de instantánea expires_at."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Canonical",
          "product": "LXD",
          "defaultStatus": "unaffected",
          "packageName": "LXD",
          "platforms": [
            "Linux"
          ],
          "repo": "https://github.com/canonical/lxd",
          "versions": [
            {
              "version": "5.21.0",
              "lessThan": "5.21.5",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "6.0",
              "lessThan": "6.9",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
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        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
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          "timestamp": "2026-06-26T16:01:50.334142Z",
          "id": "CVE-2026-9639",
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              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
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  "references": [
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      "url": "https://github.com/canonical/lxd/pull/18320",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking",
        "Patch"
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      "source": "[email protected]",
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}