CVE-2024-47866: Ceph is a distributed object, block, and file storage platform

Q: How do I fix CVE-2024-47866?

ceph: upgrade to newer than 19.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2024-47866 being exploited?

CVE-2024-47866 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-47866 affect?

CVE-2024-47866 affects ceph. Severity is high (CVSS 7.5). 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,

Q: How urgent is CVE-2024-47866?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

This week

HIGH 7.5REMOTEWATCHLISTUPGRADE

CVE-2024-47866 is a high-severity flaw (CVSS 7.5) affecting ceph. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-20
Published	2025-11-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: redhat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-12 19:15 UTCPublished CVE record published
2026-06-17 07:57 UTCUpdated Record last modified

redhat ceph UPGRADE

Affected: <= 19.2.3

Fixed in: newer than 19.2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ceph || rpm -q ceph || ceph --version

2. UPGRADE to newer than 19.2.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ceph

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ceph

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-47866?

ceph: upgrade to newer than 19.2.3. Exact commands for each OS are on this page.

Is CVE-2024-47866 being exploited?

CVE-2024-47866 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-47866 affect?

CVE-2024-47866 affects ceph. Severity is high (CVSS 7.5). 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,

How urgent is CVE-2024-47866?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Ceph vulnerabilities

References

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