Buffer overflow in Ettercap-Project Ettercap
CVE-2026-3606
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (7.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Ettercap-Project Ettercap — versions 0.8.4
- Ettercap — versions 0.8.4-Garofalo
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Ettercap/ettercap/issues/1297 (issue-tracking, Exploit, Issue Tracking)
- github.com/oneafter/0202/blob/main/et/repro (Product, exploit)
- github.com/Ettercap/ettercap/ (Product, product)
Frequently asked questions
- What is CVE-2026-3606?
- CVE-2026-3606 is a low-severity vulnerability in Ettercap-Project Ettercap, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2026-03-05.
- How severe is CVE-2026-3606?
- Low severity. CVSS v3 base score is 3.3 out of 10.