CVE-2018-17206

mediumpriority · track · 21EPSS 0.020 · 81 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.05% (81st) EPSS

CVSS 4 · medium

Is it mine?

68 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedopenvswitch-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-0:2.9.0-70.el7fdp.1.src as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-0:2.9.0-70.el7fdp.1.src as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-0:2.9.0-70.el7fdp.1.x86_64 as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-debuginfo-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-debuginfo-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-debuginfo-0:2.9.0-70.el7fdp.1.x86_64 as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-devel-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-devel-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-devel-0:2.9.0-70.el7fdp.1.x86_64 as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-central-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-central-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-common-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-common-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-common-0:2.9.0-70.el7fdp.1.x86_64 as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-host-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-host-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-host-0:2.9.0-70.el7fdp.1.x86_64 as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-vtep-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-ovn-vtep-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-test-0:2.9.0-70.el7fdp.1.noarch as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedpython-openvswitch-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedpython-openvswitch-0:2.9.0-70.el7fdp.1.x86_64 as a component of Fast Datapath for Red Hat Enterprise Linux 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedpython-openvswitch-0:2.9.0-70.el7fdp.1.x86_64 as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsredhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2018:3500
Fixedopenvswitch-0:2.9.0-83.el7fdp.1.src as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-debuginfo-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-devel-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-ovn-central-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-ovn-common-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-ovn-host-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-ovn-vtep-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-test-0:2.9.0-83.el7fdp.1.noarch as a component of OpenStack 10.0 Tools for RHEL 7redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedpython-openvswitch-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 10.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0053
Fixedopenvswitch-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-0:2.9.0-83.el7fdp.1.src as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-debuginfo-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-debuginfo-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-central-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-central-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-common-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-common-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-host-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-host-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-vtep-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-ovn-vtep-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedopenvswitch-test-0:2.9.0-83.el7fdp.1.noarch as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedpython-openvswitch-0:2.9.0-83.el7fdp.1.ppc64le as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081
Fixedpython-openvswitch-0:2.9.0-83.el7fdp.1.x86_64 as a component of Red Hat OpenStack Platform 13.0redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2019:0081

cvss

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 3.6

v3.04.9mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US

v3.14.9mediumAV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.14.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimaryCWE-125USCWE-125US

affected products (68)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ Virtualization 4.0fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ Openstack 10fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ Openstack 13.0fstec_bduRU
Сообщество свободного программного обеспечения Open vSwitch2.5.0 → 2.5.5fstec_bduRU
Сообщество свободного программного обеспечения Open vSwitch2.6.0 → 2.6.3fstec_bduRU
Сообщество свободного программного обеспечения Open vSwitch2.7.0 → 2.7.6fstec_bduRU
Сообщество свободного программного обеспечения Open vSwitch2.8.0 → 2.8.4fstec_bduRU
Сообщество свободного программного обеспечения Open vSwitch2.9.0 → 2.9.2fstec_bduRU
canonical ubuntu linux= 16.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 18.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
openvswitch openvswitch2.7.0 → 2.7.6nvdUScpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
redhat openstack= 10nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
redhat openstack= 13nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
openvswitch-0:2.9.0-70.el7fdp.1.ppc64le as a component of Fast Datapath for Red Hat Enterprise Linux 7all versionsfixedredhat_csafUS
openvswitch-0:2.9.0-70.el7fdp.1.src as a component of Fast Datapath for Red Hat Enterprise Linux 7all versionsfixedredhat_csafUS
openvswitch-0:2.9.0-70.el7fdp.1.src as a component of Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hostsall versionsfixedredhat_csafUS

showing 20 of 68

advisories (3)

Vendor and ecosystem advisories describing this.

RHSA-2018:3500Red Hat Security Advisory: openvswitch security, bug fix, and enhancement update2018-11-05csaf · redhat_csafUS
An update for openvswitch is now available for Fast Datapath for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
RHSA-2019:0053Red Hat Security Advisory: openvswitch security and bug fix update2019-01-16csaf · redhat_csafUS
An update for openvswitch is now available for Red Hat OpenStack Platform 10.0 (Newton). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
RHSA-2019:0081Red Hat Security Advisory: openvswitch security and bug fix update2019-01-16csaf · redhat_csafUS
An update for openvswitch is now available for Red Hat OpenStack Platform 13.0 (Queens). Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd redhat_csaf NVD CVE.org MITRE

published 2018-09-19modified 2026-06-17

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references (20)

External citations — patches, advisories, analysis.

scry

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