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Vulnerability · Published Mar 5, 2026 · Assigned by VulDB

CVE-2026-3606Ettercap etterfilter ef_output.c add_data_segment out-of-bounds

Low 3.3

In plain English

A low-severity out-of-bounds read in Ettercap. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 92.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12ettercapno fix listedDEBIAN-CVE-2026-3606
Debian:13ettercapno fix listedDEBIAN-CVE-2026-3606
Ubuntu:22.04:LTSettercapno fix listedUBUNTU-CVE-2026-3606
Ubuntu:24.04:LTSettercapno fix listedUBUNTU-CVE-2026-3606
Ubuntu:25.10ettercapno fix listedUBUNTU-CVE-2026-3606
Ubuntu:26.04:LTSettercapno fix listedUBUNTU-CVE-2026-3606
Ubuntu:26.10ettercapno fix listedUBUNTU-CVE-2026-3606

Affected products (as reported)

VendorProductVersions
n/a Ettercap 0.8.4-Garofalo

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References