How severe is CVE-2026-3606?

CVE-2026-3606 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-3606 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3606?

CVE-2026-3606 affects Ettercap-project Ettercap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3606?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3606 have an EU (EUVD) identifier?

Yes. CVE-2026-3606 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9938.

When was CVE-2026-3606 published?

CVE-2026-3606 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-3606

CVE-2026-3606 is a low-severity vulnerability in Ettercap-project Ettercap with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9938
Weakness: CWE-787
Affected product: Ettercap-project Ettercap
Published: 2026-03-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-3606?: CVE-2026-3606 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-3606 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3606?: CVE-2026-3606 affects Ettercap-project Ettercap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3606?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3606 have an EU (EUVD) identifier?: Yes. CVE-2026-3606 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9938.
When was CVE-2026-3606 published?: CVE-2026-3606 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ettercap-project:ettercap:0.8.4:*:*:*:*:*:*:*

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