CVE-2018-16846

Name: CVE-2018-16846
Creator: NVD / NIST
Published: 2019-01-15T18:29:00.247+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.14%

Last modified Jun 17, 2026

CVE-2018-16846 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.. EPSS estimates a 2.14% chance of exploitation in the next 30 days.

Description

It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.14%

79.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Ceph	< 13.2.4
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Opensuse	Leap	15.0
Redhat	Ceph Storage	2.0
Redhat	Ceph Storage	3.0
Redhat	Enterprise Linux Server	7.0
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.10
Canonical	Ubuntu Linux	19.04

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2538Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2541Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846Issue Tracking, Patch, Third Party Advisory
https://ceph.com/releases/13-2-4-mimic-released/Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00002.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00013.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4035-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.htmlMailing List, Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2538Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:2541Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846Issue Tracking, Patch, Third Party Advisory
https://ceph.com/releases/13-2-4-mimic-released/Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00002.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00013.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4035-1/Third Party Advisory

Timeline

Published: Jan 15, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-16846?

It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.

How severe is CVE-2018-16846?

CVE-2018-16846 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.14% probability of exploitation in the next 30 days.

How do I fix CVE-2018-16846?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16846?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST