CVE-2026-9365 Details
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.
A heap-based buffer overflow vulnerability has been identified in Ettercap versions prior to 0.8.3. The issue resides in the GG Dissector component, specifically within the FUNC_DECODER function of the src/dissectors/ec_gg.c file. The vulnerability arises from inadequate bounds checking when copying data from an attacker-controlled argument, which leads to memory corruption. This flaw can be exploited remotely by sending crafted packets to the affected application.
Users are advised to upgrade to Ettercap version 0.8.4 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed May 24, 2026CISA-ADP
Assessed May 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Ettercap/ettercap/ | [email protected] | Source CodeVendor |
| https://github.com/Ettercap/ettercap/commit/feeae6fa366e01a3dd9f1857ec6aae847b2ae00c | [email protected] | Source CodeVendor |
| https://github.com/Ettercap/ettercap/issues/1306 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/Ettercap/ettercap/pull/1307 | [email protected] | Issue TrackingVendor |
| https://vuldb.com/submit/813142 | [email protected] | Permission Required |
| https://vuldb.com/vuln/365328 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/365328/cti | [email protected] | AdvisoryPermission Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-122 | Heap-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Ettercap | <= 0.8.3 (semver) |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 24, 2026 | New CVE Received | [email protected] |