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High 7.5Published Nov 12, 2025

CVE-2024-47866RGW DoS attack with empty HTTP header in S3 object copy

Updated under an hour ago ()

Does this affect you?

It affects ceph and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-20
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Analyzed
Record last updated
Dec 11, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ceph ceph
ceph:ceph (from the name)
through 19.2.3
CNA record
redhat ceph
redhat:ceph
through 19.2.3
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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