Read the docs
TI-2016-01905 Aliases CVE-2016-2074GHSA-xfh5-4xfg-3g5f

Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before…

Priority MEDIUM 51CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.06399 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:openvswitch:openvswitch:2.2.0:*:*:*:*:*:*:*2.2.0VulnerableOpenvswitch
cpe:2.3:a:openvswitch:openvswitch:2.3.0:*:*:*:*:*:*:*2.3.0VulnerableOpenvswitch
cpe:2.3:a:openvswitch:openvswitch:2.3.1:*:*:*:*:*:*:*2.3.1VulnerableOpenvswitch
cpe:2.3:a:openvswitch:openvswitch:2.3.2:*:*:*:*:*:*:*2.3.2VulnerableOpenvswitch
cpe:2.3:a:openvswitch:openvswitch:2.4.0:*:*:*:*:*:*:*2.4.0VulnerableOpenvswitch
cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:*3.1VulnerableRed Hat
  • cpe:2.3:a:openvswitch:openvswitch:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Openvswitch
  • cpe:2.3:a:openvswitch:openvswitch:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Openvswitch
  • cpe:2.3:a:openvswitch:openvswitch:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Openvswitch
  • cpe:2.3:a:openvswitch:openvswitch:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Openvswitch
  • cpe:2.3:a:openvswitch:openvswitch:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Openvswitch
  • cpe:2.3:a:redhat:openshift:3.1:*:*:*:enterprise:*:*:* Versions 3.1 Vulnerable ·Red Hat

Remediation

Red Hat 4 advisories

  • RHSA-2016:0615 Released 2016-04-11 · Red Hat rating Important
    openvswitch security update
    • Red Hat OpenShift Enterprise 3.1 openvswitch-2.4.0-2.el7_2, openvswitch-devel-2.4.0-2.el7_2, openvswitch-test-2.4.0-2.el7_2 +1
  • RHSA-2016:0537 Released 2016-03-30 · Red Hat rating Important
    openvswitch security update
    • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 openvswitch-2.4.0-2.el7_2, openvswitch-dpdk-2.4.0-0.10346.git97bab959.3.el7_2, python-openvswitch-2.4.0-2.el7_2
  • RHSA-2016:0523 Released 2016-03-30 · Red Hat rating Important
    openvswitch security update
    • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 openvswitch-2.4.0-2.el7_2, python-openvswitch-2.4.0-2.el7_2
Show 1 more Red Hat advisories
  • RHSA-2016:0524 Released 2016-03-30 · Red Hat rating Important
    openvswitch security update
    • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 openvswitch-2.4.0-2.el7_2, python-openvswitch-2.4.0-2.el7_2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7Fixed RHSA-2016:0523
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7Fixed RHSA-2016:0524
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7Fixed RHSA-2016:0537
Red Hat OpenShift Enterprise 3.1Fixed RHSA-2016:0615
Not affected: 1 product
  • Red Hat OpenStack Platform 8 (Liberty)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-2074
  2. 2026-10-03 Alias added: GHSA-xfh5-4xfg-3g5f

References

Patch 1

Advisory 7

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences