CVE-2024-47866

publishedCWE-20

Ceph is a distributed object, block, and file storage platform. In versions up to and including 19.2.3, using the argument `x-amz-copy-source` to put an object and specifying an empty string as its content leads to the RGW daemon crashing, resulting in a DoS attack. As of time of publication, no known patched versions exist.

Technical severity7.5 highCVSS 3.1 · NVD: [email protected]

Published2025-11-12Source updated 2026-11-08

Collected2026-11-091 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
ceph redhat	≤ 19.2.3 (affected, custom)	NVD

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

NVD applicability configurations (1)

These expressions retain AND/OR operators, negation, and required environmental products. A listed product is not sufficient to establish exposure when additional conditions apply.

[
  {
    "negate": false,
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*",
            "versionEndIncluding": "19.2.3",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ],
    "operator": "OR"
  }
]

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
3.1 / 7.5 high	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`	NVD: [email protected]

Exploit evidence

https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8
exploit · [email protected]
https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8
exploit · 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8[email protected] · Exploit, Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/11/11/3af854a3a-2127-422b-91ae-364da2661108 · Mailing List
https://github.com/ceph/ceph/security/advisories/GHSA-mgrm-g92q-f8h8134c704f-9b21-4f2e-91b3-4a467353bcc0 · Exploit, Vendor Advisory

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