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Fencer Vulns
critical 9.8

CVE-2017-9265 json

In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp…

published 2017-05-29 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18201

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-util.c` in the function `ofputil_pull_ofp15_group_mod`.

Patch / fix

  • openvswitch Debian 14, Debian 13, Debian 12 2.8.1+dfsg1-2

debian advisories DEBIAN-CVE-2017-9265

  • openvswitch Ubuntu 16.04 LTS 2.5.2-0ubuntu0.16.04.2

ubuntu advisories UBUNTU-CVE-2017-9265

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • openvswitch openstack 6 2.4.1-2.git20160727.el7ost
  • python-openvswitch openstack 6 2.4.1-2.git20160727.el7ost
  • openvswitch openstack 9, openstack 8, openstack 7 2.5.0-15.git20160727.el7ost
  • python-openvswitch openstack 9, openstack 8, openstack 7 2.5.0-15.git20160727.el7ost
  • openvswitch openstack 11, openstack 10 2.6.1-13.git20161206.el7ost
  • python-openvswitch openstack 11, openstack 10 2.6.1-13.git20161206.el7ost
  • openvswitch-ovn-host openstack 11 2.6.1-13.git20161206.el7ost
  • openvswitch-ovn-vtep openstack 11 2.6.1-13.git20161206.el7ost

red hat advisories RHSA-2017:2665RHSA-2017:2553RHSA-2017:2648RHSA-2017:2698RHSA-2017:2692RHSA-2017:2727

  • openvswitch OpenStack Cloud 6 2.5.1-6.4.7
  • openvswitch SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 2.5.1-25.12.7
  • openvswitch-dpdk SLES for SAP 12 SP2, SLES 12 SP2 2.5.1-25.12.8
  • openvswitch SLES for SAP 12 SP3, SLES 12 SP3 2.7.0-3.3.1

suse advisories SUSE-SU-2018:0505-1SUSE-SU-2018:0311-1SUSE-SU-2017:2212-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-9265 updated cvss 5.6

openvswitch: Buffer over-read while parsing the group mod OpenFlow message

  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) openvswitch
    affected: no fix planned “Will not fix”
  • Red Hat Fast Datapath for Red Hat Enterprise Linux 7 openvswitch 2.7.2-1.git20170719.el7fdp, openvswitch-test 2.7.2-1.git20170719.el7fdp, python-openvswitch 2.7.2-1.git20170719.el7fdp, openvswitch-ovn-host 2.7.2-1.git20170719.el7fdp, openvswitch-ovn-vtep 2.7.2-1.git20170719.el7fdp, openvswitch-ovn-common 2.7.2-1.git20170719.el7fdp, +2 more
    fixed: vendor fix RHSA-2017:2418
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 openvswitch 2.4.1-2.git20160727.el7ost, python-openvswitch 2.4.1-2.git20160727.el7ost
    fixed: vendor fix RHSA-2017:2665
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 openvswitch 2.5.0-15.git20160727.el7ost, python-openvswitch 2.5.0-15.git20160727.el7ost
    fixed: vendor fix RHSA-2017:2698
  • Red Hat OpenStack Platform 8.0 (Liberty) openvswitch 2.5.0-15.git20160727.el7ost, python-openvswitch 2.5.0-15.git20160727.el7ost
    fixed: vendor fix RHSA-2017:2692
  • Red Hat OpenStack Platform 9.0 openvswitch 2.5.0-15.git20160727.el7ost, python-openvswitch 2.5.0-15.git20160727.el7ost
    fixed: vendor fix RHSA-2017:2553
  • Red Hat OpenStack Platform 10.0 openvswitch 2.6.1-13.git20161206.el7ost, python-openvswitch 2.6.1-13.git20161206.el7ost
    fixed: vendor fix RHSA-2017:2648
  • Red Hat OpenStack Platform 11.0 openvswitch 2.6.1-13.git20161206.el7ost, python-openvswitch 2.6.1-13.git20161206.el7ost, openvswitch-ovn-host 2.6.1-13.git20161206.el7ost, openvswitch-ovn-vtep 2.6.1-13.git20161206.el7ost, openvswitch-ovn-common 2.6.1-13.git20161206.el7ost, openvswitch-ovn-docker 2.6.1-13.git20161206.el7ost, +1 more
    fixed: vendor fix RHSA-2017:2727
show 2 more
  • Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hosts openvswitch 2.7.2-1.git20170719.el7fdp, python-openvswitch 2.7.2-1.git20170719.el7fdp, openvswitch-ovn-host 2.7.2-1.git20170719.el7fdp, openvswitch-ovn-common 2.7.2-1.git20170719.el7fdp
    fixed: vendor fix RHSA-2017:2418
  • Red Hat OpenShift Enterprise 3 openvswitch, openvswitch-test, python-openvswitch Red Hat OpenStack Platform 12 (Pike) openvswitch, openvswitch-test, python-openvswitch, openvswitch-ovn-host, openvswitch-ovn-vtep, openvswitch-ovn-common, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.81% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.