5.5
MEDIUM CVSS 3.1
CVE-2026-3606
Ettercap etterfilter ef_output.c add_data_segment out-of-bounds
Description

A vulnerability has been found in Ettercap 0.8.4-Garofalo. Affected by this vulnerability is the function add_data_segment of the file src/ettercap/utils/etterfilter/ef_output.c of the component etterfilter. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

INFO

Published Date :

March 5, 2026, 10:16 p.m.

Last Modified :

March 16, 2026, 3:42 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-3606 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ettercap-project ettercap
1 Ettercap ettercap
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Address out-of-bounds read vulnerability by updating Ettercap to a patched version.
  • Update Ettercap to a version with the fix.
  • Apply vendor-provided patches.
  • Monitor for security advisories.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-3606.

URL Resource
https://github.com/Ettercap/ettercap/ Product
https://github.com/Ettercap/ettercap/issues/1297 Exploit Issue Tracking
https://github.com/oneafter/0202/blob/main/et/repro Product
https://vuldb.com/?ctiid.349218 Permissions Required VDB Entry
https://vuldb.com/?id.349218 Third Party Advisory VDB Entry
https://vuldb.com/?submit.764648 Exploit Third Party Advisory VDB Entry
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-3606 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-3606 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-3606 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Mar. 16, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-787
    Added CPE Configuration OR *cpe:2.3:a:ettercap-project:ettercap:0.8.4:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://github.com/Ettercap/ettercap/ Types: Product
    Added Reference Type VulDB: https://github.com/Ettercap/ettercap/issues/1297 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://github.com/oneafter/0202/blob/main/et/repro Types: Product
    Added Reference Type VulDB: https://vuldb.com/?ctiid.349218 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.349218 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.764648 Types: Exploit, Third Party Advisory, VDB Entry
  • New CVE Received by [email protected]

    Mar. 05, 2026

    Action Type Old Value New Value
    Added Description A vulnerability has been found in Ettercap 0.8.4-Garofalo. Affected by this vulnerability is the function add_data_segment of the file src/ettercap/utils/etterfilter/ef_output.c of the component etterfilter. The manipulation leads to out-of-bounds read. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-125
    Added Reference https://github.com/Ettercap/ettercap/
    Added Reference https://github.com/Ettercap/ettercap/issues/1297
    Added Reference https://github.com/oneafter/0202/blob/main/et/repro
    Added Reference https://vuldb.com/?ctiid.349218
    Added Reference https://vuldb.com/?id.349218
    Added Reference https://vuldb.com/?submit.764648
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.