Out-of-Bounds Read in Ettercap by the Developer Ettercap Project
CVE-2026-3606

4.8MEDIUM

Key Information:

Vendor

Ettercap Project

Status
Ettercap
Vendor
CVE Published:
5 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3606?

A recently discovered vulnerability in Ettercap version 0.8.4-Garofalo relates to the 'add_data_segment' function within the 'ef_output.c' component of etterfilter. This security flaw allows for an out-of-bounds read, posing a significant risk when exploited. The attack necessitates local access, thus limiting its immediate impact but indicating the potential for serious security implications if successfully executed. The Ettercap Project has been made aware of this vulnerability through an issue report; however, no response has been recorded. As the exploit has been disclosed publicly, it is crucial for users to remain vigilant and apply necessary mitigations.

Affected Version(s)

Ettercap 0.8.4-Garofalo

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3606 - Proof of Concept

References

https://vuldb.com/?id.349218
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349218
signaturepermissions-required
https://vuldb.com/?submit.764648
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oneafter (VulDB User)
.