CVE-2026-3606

Ettercap etterfilter ef_output.c add_data_segment out-of-bounds

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.

Affected

Ettercap

CVSS v4.0 VULDB

1.9 LOWCVSS: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:X/V:X/RE:X/U:X

CVSS v3.1 NVD

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 VULDB

3.3 LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS v2.0 VULDB

1.7 LOWAV:L/AC:L/Au:S/C:N/I:N/A:P

EPSS

0.19% chance of exploitation in the next 30 days, 9th percentile

Published

2026-03-05

Updated

2026-03-09

Proof-of-concept exploits (1)

• oneafter/0202/blob/main/et/repro0★ · 2026-02-02

Security advisories

• https://vuldb.com/?id.349218
• https://vuldb.com/?submit.764648
• Ettercap/ettercap/issues/1297

References

• CVE Record
• NVD entry