CVE-2018-17206
MEDIUMCVSS 4.9/10EPSS 2.05%
Last modified
CVE-2018-17206 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 2.05% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openvswitch | Openvswitch | >= 2.7.0, <= 2.7.6 |
| Redhat | Openstack | 10 |
| Redhat | Openstack | 13 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Debian | Debian Linux | 9.0 |
References
- https://access.redhat.com/errata/RHSA-2018:3500Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0053Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0081Third Party Advisory
- https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3873-1/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3500Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0053Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0081Third Party Advisory
- https://github.com/openvswitch/ovs/commit/9237a63c47bd314b807cda0bd2216264e82edbe8Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00032.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3873-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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.
How severe is CVE-2018-17206?
CVE-2018-17206 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 2.05% probability of exploitation in the next 30 days.
How do I fix CVE-2018-17206?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-17206?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST