CVE-2018-17206

Publication date 19 September 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.9 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
openvswitch 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 2.9.2-0ubuntu0.18.04.3
16.04 LTS xenial
Fixed 2.5.5-0ubuntu0.16.04.2
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openvswitch

Severity score breakdown

Parameter Value
Base score 4.9 · Medium
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3873-1
    • Open vSwitch vulnerabilities
    • 30 January 2019

Other references