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Vulnerability record · CVE-2026-3606 · published 5 March 2026

CVE-2026-3606: Ettercap-project ettercap memory buffer overflow vulnerability

Ettercap Project · Ettercap

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.

1.9 CVSS 4.0 Low EPSS 0.19% · top 91.5% CWE-119 · Memory buffer overflowCWE-125 · Out-of-bounds read
1.9CVSS 4.0 base score, v2 1.7
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Ettercap/ettercap/ Product
https://github.com/Ettercap/ettercap/issues/1297 ExploitIssue Tracking
https://github.com/oneafter/0202/blob/main/et/repro Product
https://vuldb.com/?ctiid.349218 Permissions RequiredVDB Entry
https://vuldb.com/?id.349218 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.764648 ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-3606), CISA KEV, FIRST EPSS (scores of 2026-10-13). This page is refreshed as NVD updates the record.