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Fencer Intel
high 8.8

CVE-2016-10377 json

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 intege…

published 2017-05-29 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1559

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

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.

Patch / fix

  • openvswitch Debian 14, Debian 13, Debian 12 2.6.1+git20161123-1

debian advisories DEBIAN-CVE-2016-10377

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-10377 updated cvss 5.6

openvswitch: Unsigned integer overflow in the miniflow_extract function

  • Red Hat Virtualization 4 openvswitch, openvswitch-test, python-openvswitch, openvswitch-ovn-host, openvswitch-ovn-vtep, openvswitch-ovn-common, +1 more
    under investigation
  • Red Hat Enterprise Linux 7 openvswitch, openvswitch-test, python-openvswitch, openvswitch-controller Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) openvswitch Red Hat Enterprise Linux OpenStack Platform 6 (Juno) openvswitch Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) openvswitch, openvswitch-test, python-openvswitch Red Hat OpenShift Enterprise 3 openvswitch, openvswitch-test, python-openvswitch Red Hat OpenStack Platform 8 (Liberty) openvswitch, python-openvswitch
    +3 more products
    Red Hat OpenStack Platform 9 (Mitaka) openvswitch, python-openvswitch Red Hat OpenStack Platform 10 (Newton) openvswitch, openvswitch-test, python-openvswitch, openvswitch-ovn-host, openvswitch-ovn-vtep, openvswitch-ovn-common, +2 more Red Hat OpenStack Platform 12 (Pike) openvswitch, openvswitch-test, python-openvswitch, openvswitch-ovn-host, openvswitch-ovn-vtep, openvswitch-ovn-common, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.8 AV:A/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.