CVE-2018-16846

MEDIUMNVD 6.56.5—Trending — 5 sources updated this week

6.5

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.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 89.4%
KEV: Not listed

Published

January 15, 2019

Last Modified

November 21, 2024

References (16)

secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html
secalert@redhathttps://access.redhat.com/errata/RHSA-2019:2538
secalert@redhathttps://access.redhat.com/errata/RHSA-2019:2541
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846
secalert@redhathttps://ceph.com/releases/13-2-4-mimic-released/
secalert@redhathttps://lists.debian.org/debian-lts-announce/2019/03/msg00002.html
secalert@redhathttps://lists.debian.org/debian-lts-announce/2021/08/msg00013.html
secalert@redhathttps://usn.ubuntu.com/4035-1/
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00100.html
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2538
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2541
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16846
af854a3a-2127-422b-91ae-364da2661108https://ceph.com/releases/13-2-4-mimic-released/
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/03/msg00002.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/08/msg00013.html

Patch Availability(3)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	rbd-nbd (10.2.11-0ubuntu0.16.04.2) @ xenial	2026-05-27	ubuntu
redhat	python-crypto-0:2.6.1-16.el7ost	2019-08-21	redhat
redhat	ceph	2019-08-21	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-770Allocation of Resources Without Limits or Throttling

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 23:23 UTCEG score recompute
2026-05-27 23:23 UTCVendor advisory
2026-05-27 23:22 UTCGHSA enrichment
2026-05-27 21:05 UTCOSV refresh
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-16846?

CVE-2018-16846 is a medium vulnerability published on January 15, 2019. 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.

When was CVE-2018-16846 disclosed?

CVE-2018-16846 was first published in the National Vulnerability Database on January 15, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-16846 actively exploited?

CVE-2018-16846 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-16846?

CVE-2018-16846 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-16846?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-16846, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-16846

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CVE-2018-16846

Published

Last Modified

References (16)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-16846?

Same vendor

Same CWE

CVE-2018-16846

📅 Published

🔄 Last Modified

🔗 References (16)

Patch Availability(3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-16846?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (16)

Frequently asked(5)

Related CVEs(same vendor + same CWE)