openvswitch: MPLS buffer overflow vulnerability
Published Jul 3, 2016
9.8
CRITICALCVSS 3.0
EPSS 6.40%
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.
Affected products
No data.
Configuration 1
- 2.2.0
- 2.3.0
- 2.3.1
- 2.3.2
- 2.4.0
No data.
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7
openvswitch-0:2.4.0-2.el7_2
Fixed · RHSA-2016:0523
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
openvswitch-0:2.4.0-2.el7_2
Fixed · RHSA-2016:0524
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
openvswitch-0:2.4.0-2.el7_2
Fixed · RHSA-2016:0537
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
openvswitch-dpdk-0:2.4.0-0.10346.git97bab959.3.el7_2
Fixed · RHSA-2016:0537
Red Hat OpenShift Enterprise 3.1
openvswitch-0:2.4.0-2.el7_2
Fixed · RHSA-2016:0615
Red Hat OpenStack Platform 8 (Liberty)
openvswitch
Not affected
Red Hat OpenStack Platform 8 (Liberty)
openvswitch-dpdk
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | openvswitch-0:2.4.0-2.el7_2 | Fixed | RHSA-2016:0523 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | openvswitch-0:2.4.0-2.el7_2 | Fixed | RHSA-2016:0524 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | openvswitch-0:2.4.0-2.el7_2 | Fixed | RHSA-2016:0537 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | openvswitch-dpdk-0:2.4.0-0.10346.git97bab959.3.el7_2 | Fixed | RHSA-2016:0537 |
| Red Hat OpenShift Enterprise 3.1 | openvswitch-0:2.4.0-2.el7_2 | Fixed | RHSA-2016:0615 |
| Red Hat OpenStack Platform 8 (Liberty) | openvswitch | Not affected | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | openvswitch-dpdk | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.40% (0.06399) | 93.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.23% (0.06228) | 92.61th | v5 (v2026.06.15) |
| May 24, 2026 | 9.34% (0.09337) | 92.87th | v4 (v2025.03.14) |
| Dec 14, 2025 | 7.54% (0.07538) | 91.44th | v4 (v2025.03.14) |
| Sep 11, 2025 | 4.81% (0.04808) | 89.09th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.55% (0.08554) | 91.57th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.32% (0.17324) | 91.79th | v4 (v2025.03.14) |
| Mar 17, 2025 | 8.55% (0.08554) | 91.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 25.45% (0.25445) | 96.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 25.03% (0.25032) | 95.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 10.05% (0.10052) | 94.55th | v2 (v2022.01.01) |
| Apr 1, 2022 | 10.05% (0.10052) | 94.06th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.05% (0.10052) | 87.55th | v2 (v2022.01.01) |
References (15)
- http://openvswitch.org/pipermail/announce/2016-March/000082.html mailing-listx_refsource_MLISTVendor Advisory
- http://openvswitch.org/pipermail/announce/2016-March/000083.html mailing-listx_refsource_MLISTPatch
- http://rhn.redhat.com/errata/RHSA-2016-0523.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0524.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2016-0537.html vendor-advisoryx_refsource_REDHAT
- http://www.debian.org/security/2016/dsa-3533 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/85700 vdb-entryx_refsource_BID
- https://access.redhat.com/errata/RHSA-2016:0615 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2016-2074 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1318553 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-2074
- https://security-tracker.debian.org/tracker/CVE-2016-2074 x_refsource_CONFIRM
- https://security.gentoo.org/glsa/201701-07 vendor-advisoryx_refsource_GENTOO
- https://support.citrix.com/article/CTX232655 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2016-2074
Change history (0)
No recorded changes yet.