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

CVSS 5.6 · Medium EPSS 0.06% · P18

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 5

VendorProductVersion RangeStatus
n/aEttercap0.8.0affected
0.8.1affected
0.8.2affected
0.8.3affected
0.8.4unaffected
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I. Basic Information for CVE-2026-9365

Vulnerability Information
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Vulnerability Title
Ettercap GG Dissector ec_gg.c FUNC_DECODER heap-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-Ettercap 0.8.0 cpe:2.3:a:ettercap:ettercap:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9365

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III. Intelligence Information for CVE-2026-9365

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Patches & Fixes for CVE-2026-9365 (2)

Proof of Concept for CVE-2026-9365 (1)

Vendor Pages for CVE-2026-9365 (1)

Same Patch Batch · n/a · 2026-05-24 · 5 CVEs total

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IV. Related Vulnerabilities

Same product: Ettercap
Same vendor: n/a
Same weakness: CWE-122

V. Comments for CVE-2026-9365

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