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Vulnerability record · CVE-2016-10377 · published 29 May 2017

CVE-2016-10377: Openvswitch memory buffer overflow vulnerability

Openvswitch · Openvswitch

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.

8.8 CVSS 3.0 High EPSS 0.94% · top 40.5% CWE-119 · Memory buffer overflow
8.8CVSS 3.0 base score, v2 5.8
0.94%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://mail.openvswitch.org/pipermail/ovs-dev/2016-July/319503.html Mailing ListPatchVendor Advisory
https://mail.openvswitch.org/pipermail/ovs-dev/2016-July/319503.html Mailing ListPatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-4338Openvswitch out-of-bounds read vulnerabilityAn integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.EPSS 1.3%9.8CVE-2022-4337Openvswitch out-of-bounds read vulnerabilityAn out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.EPSS 1.3%9.8CVE-2017-9264Openvswitch out-of-bounds read vulnerabilityIn 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…EPSS 2.4%9.8CVE-2017-9265Openvswitch out-of-bounds read vulnerabilityIn Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-util.c` i…EPSS 2.8%9.8CVE-2017-9214Openvswitch vulnerabilityIn Open vSwitch (OvS) 2.7.0, while parsing an OFPT_QUEUE_GET_CONFIG_REPLY type OFP 1.0 message, there is a buffer over-read that is caused by an unsi…EPSS 2.9%9.8CVE-2016-2074Openvswitch memory buffer overflow vulnerabilityBuffer 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 …EPSS 6.3%7.5CVE-2023-3966Openvswitch vulnerabilityA flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invali…EPSS 1.0%7.5CVE-2024-22563Openvswitch memory leak vulnerabilityopenvswitch 2.17.8 was discovered to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/lib/util.c.EPSS 0.57%

Source: NIST National Vulnerability Database (record CVE-2016-10377), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.