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Ettercap CVE-2026-9365

| EUVD-2026-31576 LOW
Heap-based Buffer Overflow (CWE-122)
2026-05-24 VulDB GHSA-fgvc-qw77-cmcj
2.9
CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
Severity Changed
May 26, 2026 - 19:37 NVD
MEDIUM LOW
CVSS changed
May 26, 2026 - 19:37 NVD
5.6 (MEDIUM) 2.9 (LOW)
Source Code Evidence Fetched
May 24, 2026 - 08:45 vuln.today
Analysis Generated
May 24, 2026 - 08:45 vuln.today

DescriptionNVD

A vulnerability has been found in Ettercap up to 0.8.3. The affected element is the function FUNC_DECODER of the file src/dissectors/ec_gg.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.

AnalysisAI

Heap-based buffer overflow in Ettercap's GG protocol dissector (versions up to 0.8.3) allows remote attackers to potentially achieve limited confidentiality, integrity, and availability compromise through crafted network traffic. The vulnerability exists in the ec_gg.c dissector when processing Gadu-Gadu instant messaging protocol packets. …

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CVE-2026-9365 vulnerability details – vuln.today

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