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Vulnerability record · CVE-2016-2074 · published 3 July 2016

CVE-2016-2074: Openvswitch memory buffer overflow vulnerability

Openvswitch · Openvswitch

Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.

9.8 CVSS 3.0 Critical EPSS 6.3% · top 6.7% CWE-119 · Memory buffer overflow
9.8CVSS 3.0 base score, v2 7.5
6.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
24References
17 Jun 2026Last modified by NVD

Description

Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to execute arbitrary code via crafted MPLS packets, as demonstrated by a long string in an ovs-appctl command.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://openvswitch.org/pipermail/announce/2016-March/000082.html Vendor Advisory
http://openvswitch.org/pipermail/announce/2016-March/000083.html Patch
http://rhn.redhat.com/errata/RHSA-2016-0523.html
http://rhn.redhat.com/errata/RHSA-2016-0524.html
http://rhn.redhat.com/errata/RHSA-2016-0537.html
http://www.debian.org/security/2016/dsa-3533
http://www.securityfocus.com/bid/85700
https://access.redhat.com/errata/RHSA-2016:0615
https://bugzilla.redhat.com/show_bug.cgi?id=1318553
https://security-tracker.debian.org/tracker/CVE-2016-2074
https://security.gentoo.org/glsa/201701-07
https://support.citrix.com/article/CTX232655
http://openvswitch.org/pipermail/announce/2016-March/000082.html Vendor Advisory
http://openvswitch.org/pipermail/announce/2016-March/000083.html Patch
http://rhn.redhat.com/errata/RHSA-2016-0523.html
http://rhn.redhat.com/errata/RHSA-2016-0524.html
http://rhn.redhat.com/errata/RHSA-2016-0537.html
http://www.debian.org/security/2016/dsa-3533
http://www.securityfocus.com/bid/85700
https://access.redhat.com/errata/RHSA-2016:0615
https://bugzilla.redhat.com/show_bug.cgi?id=1318553
https://security-tracker.debian.org/tracker/CVE-2016-2074
https://security.gentoo.org/glsa/201701-07
https://support.citrix.com/article/CTX232655

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Source: NIST National Vulnerability Database (record CVE-2016-2074), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.