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CVE-2016-8626

18
FAUCET Score

CVE-2016-8626 describes a denial-of-service vulnerability in Red Hat Ceph before version 0.94.9-8, affecting Red Hat Enterprise Linux distributions. An authenticated attacker can exploit this flaw by sending specially crafted POST object requests to the Ceph Object Gateway. Rated Medium severity with a CVSS score of 6.5, the attack requires low privileges and network access, leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.94.3.9-8CPE matchmatch criteria
cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0231 is in the 93rd percentile among its peer group of 21,957 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 1.3 for Red Hat Enterprise Linux 7Fixed in: ceph-1:0.94.9-8.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 1.3 for Ubuntu
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: calamari-server-0:1.4.9-1.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: ceph-1:10.2.3-13.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: ceph-deploy-0:1.5.36-20.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: ceph-iscsi-config-0:1.5-1.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: ceph-iscsi-tools-0:1.1-1.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: libntirpc-0:1.4.1-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7Fixed in: nfs-ganesha-0:2.4.0-3.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 2 for Ubuntu
View patch

Vendor Advisories (1)

redhatCVE-2016-8626Moderate

Ceph: RGW Denial of Service by sending null or specially crafted POST object requests

Oct 20, 2016

References

rhn.redhat.com / errata/RHSA-2016-2815.html
Vendor Advisory
rhn.redhat.com / errata/RHSA-2016-2816.html
Vendor Advisory
rhn.redhat.com / errata/RHSA-2016-2847.html
Vendor Advisory
rhn.redhat.com / errata/RHSA-2016-2848.html
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
tracker.ceph.com / issues/17635
PatchVendor Advisory
securityfocus.com / bid/94488
Third Party AdvisoryVDB EntryVendor Advisory