What’s Vulnerable › Vulnerabilities

CVE-2017-9264

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-05-29 · updated 2026-06-17
• Weakness: CWE-125

Description

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 can be triggered remotely.

Affected products

• Openvswitch: 2.6.1

References

• https://access.redhat.com/errata/RHSA-2017:2418
• https://access.redhat.com/errata/RHSA-2017:2648
• https://access.redhat.com/errata/RHSA-2017:2727
• https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html
• https://access.redhat.com/errata/RHSA-2017:2418
• https://access.redhat.com/errata/RHSA-2017:2648
• https://access.redhat.com/errata/RHSA-2017:2727
• https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html

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