Out-of-bounds Read in Openvswitch

CVE-2017-9264

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 c…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (74.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-9264?
CVE-2017-9264 is a critical-severity vulnerability in Openvswitch, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2017-05-29.
How severe is CVE-2017-9264?
Critical severity. CVSS v3 base score is 9.8 out of 10.