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No exploitation reportedFix available

CVE-2018-17206

No exploitation reported by the sources we read.

  • Published2018-09-19
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2018-09-1916:29CVE publishedNVD

Versions per branch

NVD
Openvswitch
BranchAffectedFixed in
2.7≥ 2.7.0, ≤ 2.7.6no fix published
Canonical ubuntu linux
BranchAffectedFixed in
16.4= 16.04no fix published
18.4= 18.04no fix published
Redhat openstack
BranchAffectedFixed in
10.x= 10no fix published
13.x= 13no fix published

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • openvswitchUbuntu:18.04:LTSall versions · fixed in 2.9.2-0ubuntu0.18.04.3
  • openvswitchUbuntu:16.04:LTSall versions · fixed in 2.5.5-0ubuntu0.16.04.2
  • openvswitchSUSE:Linux Enterprise Server for SAP Applications 12 SP3all versions · fixed in 2.7.6-3.23.1
  • openvswitchSUSE:Linux Enterprise Server 12 SP3all versions · fixed in 2.7.6-3.23.1
  • openvswitchRed Hat:openstack:13::el7all versions · fixed in 0:2.9.0-83.el7fdp.1and 7 other packages
  • openvswitchRed Hat:openstack:10::el7all versions · fixed in 0:2.9.0-83.el7fdp.1and 8 other packages
  • openvswitchRed Hat:enterprise_linux:7::hypervisorall versions · fixed in 0:2.9.0-70.el7fdp.1and 5 other packages
  • openvswitchRed Hat:enterprise_linux:7::fastdatapathall versions · fixed in 0:2.9.0-70.el7fdp.1and 8 other packages

4 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-17206 Red Hat Product Security51 products fixed · 17 known affected

    openvswitch: Buffer over-read in lib/ofp-actions.c:decode_bundle()

    openvswitch as a component of Red Hat OpenStack Platform 12 (Pike) · openvswitch-devel as a component of Red Hat OpenStack Platform 12 (Pike) · openvswitch-ovn-central as a component of Red Hat OpenStack Platform 12 (Pike) · +14 more

  • RHSA-2019:0081 Red Hat Product Security16 products fixed

    Red Hat Security Advisory: openvswitch security and bug fix update

  • RHSA-2019:0053 Red Hat Product Security10 products fixed

    Red Hat Security Advisory: openvswitch security and bug fix update

  • RHSA-2018:3500 Red Hat Product Security25 products fixed

    Red Hat Security Advisory: openvswitch security, bug fix, and enhancement update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2019:0081 · 16 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. No fix available, says the vendor Red Hat Product Security CVE-2018-17206 · 1 productAffected
  3. No fix planned, says the vendor Red Hat Product Security CVE-2018-17206 · 16 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Published
2018-09-19
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-pcf7-fwpx-5mr2

Frequently asked questions

What is CVE-2018-17206?

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.

Is CVE-2018-17206 actively exploited?

Active exploitation of CVE-2018-17206 has not been confirmed. Its EPSS score was 2.0% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-17206?

CVE-2018-17206 has a CVSS v3 base score of 4.9 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record