CVE-2026-9365: Ettercap GG Dissector ec_gg.c FUNC_DECODER heap-based overflow

Published May 24, 2026
·
Updated

A vulnerability has been found in Ettercap up to 0.8.3. The affected element is the function FUNCDECODER of the file src/dissectors/ecgg.c of the component GG Dissector. The manipulation of the argument gg leads to heap-based buffer overflow. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 0.8.4 is sufficient to fix this issue. The identifier of the patch is feeae6fa366e01a3dd9f1857ec6aae847b2ae00c. It is suggested to upgrade the affected component.

Affected Software

1 affected component
Ettercap Ettercap<=0.8.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Ettercap GG Dissector to a version that resolves this vulnerability.

    Fixed in 0.8.4Patch feeae6fa366e01a3dd9f1857ec6aae847b2ae00c

Event History

May 24, 2026
CVE Published
via MITRE·07:45 AM
Data Sourced
via MITRE·07:45 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeakness
Apr 28, 58520
Event
via FIRST·03:45 AM

Frequently Asked Questions

1

What is the severity of CVE-2026-9365?

The severity of CVE-2026-9365 is medium with a CVSS score of 5.6.

2

How do I fix CVE-2026-9365?

To fix CVE-2026-9365, update Ettercap to version 0.8.4 or later, where the vulnerability has been addressed.

3

What type of vulnerability is CVE-2026-9365?

CVE-2026-9365 is a heap-based buffer overflow vulnerability found in the GG Dissector of Ettercap.

4

Can CVE-2026-9365 be exploited remotely?

Yes, CVE-2026-9365 can be exploited remotely due to the nature of the vulnerability.

5

What component of Ettercap is affected by CVE-2026-9365?

CVE-2026-9365 affects the FUNC_DECODER function in the src/dissectors/ec_gg.c file of the GG Dissector component.

Contact

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