openvswitch: Buffer over-read while parsing malformed TCP, UDP and IPv6 packets
Published May 29, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.42%
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.
Affected products
No data.
- 2.6.1
No data.
Fast Datapath for Red Hat Enterprise Linux 7
openvswitch-0:2.7.2-1.git20170719.el7fdp
Fixed · RHSA-2017:2418
Red Hat OpenStack Platform 10.0 (Newton)
openvswitch-0:2.6.1-13.git20161206.el7ost
Fixed · RHSA-2017:2648
Red Hat OpenStack Platform 11.0 (Ocata)
openvswitch-0:2.6.1-13.git20161206.el7ost
Fixed · RHSA-2017:2727
Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS
openvswitch-0:2.7.2-1.git20170719.el7fdp
Fixed · RHSA-2017:2418
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
openvswitch
Not affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
openvswitch
Not affected
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
openvswitch
Not affected
Red Hat OpenShift Enterprise 3
openvswitch
Not affected
Red Hat OpenStack Platform 12 (Pike)
openvswitch
Not affected
Red Hat OpenStack Platform 8 (Liberty)
openvswitch
Not affected
Red Hat OpenStack Platform 9 (Mitaka)
openvswitch
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Fast Datapath for Red Hat Enterprise Linux 7 | openvswitch-0:2.7.2-1.git20170719.el7fdp | Fixed | RHSA-2017:2418 |
| Red Hat OpenStack Platform 10.0 (Newton) | openvswitch-0:2.6.1-13.git20161206.el7ost | Fixed | RHSA-2017:2648 |
| Red Hat OpenStack Platform 11.0 (Ocata) | openvswitch-0:2.6.1-13.git20161206.el7ost | Fixed | RHSA-2017:2727 |
| Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUS | openvswitch-0:2.7.2-1.git20170719.el7fdp | Fixed | RHSA-2017:2418 |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | openvswitch | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | openvswitch | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | openvswitch | Not affected | n/a |
| Red Hat OpenShift Enterprise 3 | openvswitch | Not affected | n/a |
| Red Hat OpenStack Platform 12 (Pike) | openvswitch | Not affected | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | openvswitch | Not affected | n/a |
| Red Hat OpenStack Platform 9 (Mitaka) | openvswitch | 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
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.42% (0.02415) | 83.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.42% (0.02415) | 81.94th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.09% (0.01095) | 75.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.10% (0.02105) | 73.45th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.43% (0.00433) | 74.81th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00433) | 73.84th | v3 (v2023.03.01) |
| May 8, 2023 | 0.43% (0.00433) | 70.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.37% (0.00366) | 68.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.04% (0.01040) | 28.32th | v1 |
| Jan 6, 2022 | 1.04% (0.01040) | 27.69th | v1 |
| Sep 1, 2021 | 1.04% (0.01040) | 64.49th | v1 |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- https://access.redhat.com/errata/RHSA-2017:2418 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2017:2648 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2017:2727 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-9264 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1457329 Issue Tracking
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html x_refsource_CONFIRMMailing ListPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-9264
- https://www.cve.org/CVERecord?id=CVE-2017-9264
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2017:2418 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2017:2648 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2017:2727 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-9264 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1457329 | Issue Tracking | |
| https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html | x_refsource_CONFIRMMailing ListPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-9264 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-9264 |
Change history (0)
No recorded changes yet.