CVE-2026-9365

MEDIUM

Ettercap GG Dissector ec_gg.c FUNC_DECODER heap-based overflow

Title source: cna
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-365328 | Ettercap GG Dissector ec_gg.c FUNC_DECODER heap-based overflow
https://vuldb.com/vuln/365328
Signature, Permissions Required signature permissions-required
VDB-365328 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/365328/cti
Third Party Advisory third-party-advisory
Submit #813142 | Ettercap <=v0.8.4 Heap-based Buffer Overflow
https://vuldb.com/submit/813142
Exploit exploit issue-tracking
https://github.com/Ettercap/ettercap/issues/1306

Scores

CVSS v3 5.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Details

CWE
CWE-119 CWE-122
Status published
Products (5)
None/Ettercap 0.8.0
None/Ettercap 0.8.1
None/Ettercap 0.8.2
None/Ettercap 0.8.3
None/Ettercap 0.8.4
Published May 24, 2026
Tracked Since May 24, 2026