What is CVE-2016-10377?

CVE-2016-10377 is a high-severity vulnerability in Openvswitch, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-05-29.

How severe is CVE-2016-10377?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Openvswitch

CVE-2016-10377

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.

Vulnerability class: Buffer Overflow

Published 2017-05-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Openvswitch — versions 2.5.0

Weakness classification (CWE)

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

References

mail.openvswitch.org/pipermail/ovs-dev/2016-July/319503.html (Patch, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2016-10377?: CVE-2016-10377 is a high-severity vulnerability in Openvswitch, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-05-29.
How severe is CVE-2016-10377?: High severity. CVSS v3 base score is 8.8 out of 10.