How severe is CVE-2017-9265?

CVE-2017-9265 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-9265 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9265?

CVE-2017-9265 affects Openvswitch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9265?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-9265 published?

CVE-2017-9265 was published on 2017-05-29 and last updated on 2026-06-17.

CVE-2017-9265

CVE-2017-9265 is a critical-severity vulnerability in Openvswitch with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Openvswitch
Published: 2017-05-29
Last modified: 2026-06-17

Description

In 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` in the function `ofputil_pull_ofp15_group_mod`.

Frequently asked questions

What is CVE-2017-9265?: In 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` in the function `ofputil_pull_ofp15_group_mod`.
How severe is CVE-2017-9265?: CVE-2017-9265 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-9265 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9265?: CVE-2017-9265 affects Openvswitch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9265?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-9265 published?: CVE-2017-9265 was published on 2017-05-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openvswitch:openvswitch:2.7.0:*:*:*:*:*:*:*

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