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CVE-2017-9263

22
FAUCET Score

CVE-2017-9263 describes a denial-of-service vulnerability in Open vSwitch (OvS) version 2.7.0. A malicious switch can trigger an abort() call by sending a specially crafted OpenFlow role status message with an undefined reason, leading to a remote DoS. The vulnerability has a CVSS score of 6.5 (Medium), indicating an adjacent network attack vector with low complexity and high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.7.0CPE matchmatch criteria
cpe:2.3:a:openvswitch:openvswitch:2.7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
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
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 89th percentile among its peer group of 1,802 CVEs.

Social Chatter

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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

redhatpatch availablevia redhat_api
Product: Fast Datapath for Red Hat Enterprise Linux 7Fixed in: openvswitch-0:2.7.2-1.git20170719.el7fdp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed in: openvswitch-0:2.4.1-2.git20160727.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed in: openvswitch-0:2.5.0-15.git20160727.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 10.0 (Newton)Fixed in: openvswitch-0:2.6.1-13.git20161206.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 11.0 (Ocata)Fixed in: openvswitch-0:2.6.1-13.git20161206.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 8.0 (Liberty)Fixed in: openvswitch-0:2.5.0-15.git20160727.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 9.0 (Mitaka)Fixed in: openvswitch-0:2.5.0-15.git20160727.el7ost
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUSFixed in: openvswitch-0:2.7.2-1.git20170719.el7fdp
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)Fixed in: openvswitch

Vendor Advisories (1)

redhatCVE-2017-9263Moderate

openvswitch: Invalid processing of a malicious OpenFlow role status message

May 26, 2017

References

access.redhat.com / errata/RHSA-2017:2418
access.redhat.com / errata/RHSA-2017:2553
access.redhat.com / errata/RHSA-2017:2648
access.redhat.com / errata/RHSA-2017:2665
access.redhat.com / errata/RHSA-2017:2692
access.redhat.com / errata/RHSA-2017:2698
access.redhat.com / errata/RHSA-2017:2727
mail.openvswitch.org / pipermail/ovs-dev/2017-May/332966.html
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