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TI-2018-12304 Aliases CVE-2018-17206GHSA-pcf7-fwpx-5mr2

An issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6.

Priority LOW 26CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 5 fixed, 4 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.02046 81st percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 5 fixed, 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*2.7.0 – 2.7.6VulnerableOpenvswitch
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*10VulnerableRed Hat
cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*13VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* Versions 2.7.0 – 2.7.6 Vulnerable ·Openvswitch
  • cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* Versions 13 Vulnerable ·Red Hat
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2019:0081 Released 2019-01-16 · Red Hat rating Moderate
    openvswitch security and bug fix update
    • Red Hat OpenStack Platform 13.0 openvswitch-2.9.0-83.el7fdp.1, openvswitch-ovn-central-2.9.0-83.el7fdp.1, openvswitch-ovn-common-2.9.0-83.el7fdp.1 +4
  • RHSA-2019:0053 Released 2019-01-16 · Red Hat rating Moderate
    openvswitch security and bug fix update
    • OpenStack 10.0 Tools for RHEL 7 openvswitch-test-2.9.0-83.el7fdp.1
    • Red Hat OpenStack Platform 10.0 openvswitch-2.9.0-83.el7fdp.1, openvswitch-devel-2.9.0-83.el7fdp.1, openvswitch-ovn-central-2.9.0-83.el7fdp.1 +4
  • RHSA-2018:3500 Released 2018-11-05 · Red Hat rating Moderate
    openvswitch security, bug fix, and enhancement update
    • Fast Datapath for Red Hat Enterprise Linux 7 openvswitch-2.9.0-70.el7fdp.1, openvswitch-devel-2.9.0-70.el7fdp.1, openvswitch-ovn-central-2.9.0-70.el7fdp.1 +5
    • Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS Hosts openvswitch-2.9.0-70.el7fdp.1, openvswitch-devel-2.9.0-70.el7fdp.1, openvswitch-ovn-common-2.9.0-70.el7fdp.1 +2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat OpenStack Platform 12 (Pike)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 8 (Liberty)AffectedNo fix planned: Will not fix
Red Hat OpenStack Platform 9 (Mitaka)AffectedNo fix planned: Will not fix
Red Hat Virtualization 4AffectedNo fix yet
Fast Datapath for Red Hat Enterprise Linux 7Fixed RHSA-2018:3500
OpenStack 10.0 Tools for RHEL 7Fixed RHSA-2019:0053
Red Hat OpenStack Platform 10.0Fixed RHSA-2019:0053
Red Hat OpenStack Platform 13.0Fixed RHSA-2019:0081
Red Hat Virtualization 4.2 Management Agent for RHEL 7.6 EUS HostsFixed RHSA-2018:3500
Not affected: 8 products
  • Fast Datapath for RHEL 7
  • Fast Datapath for RHEL 8
  • Red Hat OpenShift Container Platform 3.2
  • Red Hat OpenShift Container Platform 3.3
  • Red Hat OpenShift Container Platform 3.4
  • Red Hat OpenShift Enterprise 3.0
  • Red Hat OpenShift Enterprise 3.1
  • Red Hat OpenStack Platform 14 (Rocky)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17206
  2. 2026-10-03 Alias added: GHSA-pcf7-fwpx-5mr2

References

Patch 1

Advisory 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences