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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.

PUBLISHED Reserved 2026-03-05 | Published 2026-03-05 | Updated 2026-03-05 | Assigner VulDB




MEDIUM: 4.8CVSS: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
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Out-of-Bounds Read

Memory Corruption

Timeline

2026-03-05:Advisory disclosed
2026-03-05:VulDB entry created
2026-03-05:VulDB entry last update

Credits

Oneafter (VulDB User) reporter

References

vuldb.com/?id.349218 (VDB-349218 | Ettercap etterfilter ef_output.c add_data_segment out-of-bounds) vdb-entry technical-description

vuldb.com/?ctiid.349218 (VDB-349218 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.764648 (Submit #764648 | Ettercap ettercap Ettercap v0.8.4-Garofalo and master-branch Heap-based Buffer Overflow) third-party-advisory

github.com/Ettercap/ettercap/issues/1297 issue-tracking

github.com/oneafter/0202/blob/main/et/repro exploit

github.com/Ettercap/ettercap/ product

cve.org (CVE-2026-3606)

nvd.nist.gov (CVE-2026-3606)

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