CVE-2017-9264

9.8 CRITICAL
Published: May 29, 2017 Modified: May 13, 2026
View on NVD

Description

In lib/conntrack.c in the firewall implementation in Open vSwitch (OvS) 2.6.1, there is a buffer over-read while parsing malformed TCP, UDP, and IPv6 packets in the functions `extract_l3_ipv6`, `extract_l4_tcp`, and `extract_l4_udp` that can be triggered remotely.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html
Source: cve@mitre.org
Mailing List Patch Vendor Advisory
https://access.redhat.com/errata/RHSA-2017:2418
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2017:2648
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2017:2727
Source: af854a3a-2127-422b-91ae-364da2661108
https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
2.4%
82th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

openvswitch