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Vulnerability record · CVE-2018-17206 · published 19 September 2018

CVE-2018-17206: Openvswitch out-of-bounds read vulnerability

Openvswitch · Openvswitch

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.

4.9 CVSS 3.1 Medium EPSS 2.0% · top 19.6% CWE-125 · Out-of-bounds read
4.9CVSS 3.1 base score, v2 4.0
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2018:3500 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0053 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0081 Third Party Advisory
https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3873-1/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3500 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0053 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0081 Third Party Advisory
https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html Mailing ListThird Party Advisory
https://usn.ubuntu.com/3873-1/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-17206), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.