openvswitch: Unsigned integer overflow in the miniflow_extract function
Published May 29, 2017
8.8
HIGHCVSS 3.0
EPSS 0.94%
Description
In Open vSwitch (OvS) 2.5.0, a malformed IP packet can cause the switch to read past the end of the packet buffer due to an unsigned integer underflow in `lib/flow.c` in the function `miniflow_extract`, permitting remote bypass of the access control list enforced by the switch.
Affected products
No data.
- 2.5.0
No data.
Red Hat Enterprise Linux 7
openvswitch
Not affected
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 10 (Newton)
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
Red Hat Virtualization 4
openvswitch
Under investigation
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | openvswitch | Not affected | n/a |
| 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 10 (Newton) | 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 |
| Red Hat Virtualization 4 | openvswitch | Under investigation | 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:A/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:A/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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.94% (0.00943) | 59.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.94% (0.00943) | 56.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00227) | 43.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00345) | 72.46th | v3 (v2023.03.01) |
| May 10, 2024 | 0.12% (0.00117) | 45.44th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.11% (0.00110) | 43.56th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.09% (0.00093) | 38.29th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.08% (0.00085) | 34.47th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.28% (0.00280) | 64.75th | v3 (v2023.03.01) |
| May 8, 2023 | 0.23% (0.00226) | 59.33th | v3 (v2023.03.01) |
| Apr 7, 2023 | 0.19% (0.00191) | 55.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00159) | 50.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (5)
- https://access.redhat.com/security/cve/CVE-2016-10377 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1457325 Issue Tracking
- https://mail.openvswitch.org/pipermail/ovs-dev/2016-July/319503.html x_refsource_CONFIRMMailing ListPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-10377
- https://www.cve.org/CVERecord?id=CVE-2016-10377
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2016-10377 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1457325 | Issue Tracking | |
| https://mail.openvswitch.org/pipermail/ovs-dev/2016-July/319503.html | x_refsource_CONFIRMMailing ListPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-10377 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-10377 |
Change history (0)
No recorded changes yet.