{"id":"UBUNTU-CVE-2026-3606","details":"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.","modified":"2026-09-11T15:00:28.746679499Z","published":"2026-03-05T22:16:00Z","upstream":["CVE-2026-3606"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-3606"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-3606"},{"type":"REPORT","url":"https://github.com/Ettercap/ettercap/"},{"type":"REPORT","url":"https://github.com/Ettercap/ettercap/issues/1297"},{"type":"REPORT","url":"https://github.com/oneafter/0202/blob/main/et/repro"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.349218"},{"type":"REPORT","url":"https://vuldb.com/?id.349218"},{"type":"REPORT","url":"https://vuldb.com/?submit.764648"}],"affected":[{"package":{"name":"ettercap","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.2-2","1:0.8.2-2build1","1:0.8.2-2ubuntu1.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"ettercap-common","binary_version":"1:0.8.2-2ubuntu1.16.04.1"},{"binary_name":"ettercap-graphical","binary_version":"1:0.8.2-2ubuntu1.16.04.1"},{"binary_name":"ettercap-text-only","binary_version":"1:0.8.2-2ubuntu1.16.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}},{"package":{"name":"ettercap","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.2-10build1","1:0.8.2-10build2","1:0.8.2-10build3","1:0.8.2-10build4"],"ecosystem_specific":{"binaries":[{"binary_name":"ettercap-common","binary_version":"1:0.8.2-10build4"},{"binary_version":"1:0.8.2-10build4","binary_name":"ettercap-graphical"},{"binary_version":"1:0.8.2-10build4","binary_name":"ettercap-text-only"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}},{"package":{"name":"ettercap","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.2-10build6","1:0.8.3-1ubuntu1","1:0.8.3-2~build1","1:0.8.3-2","1:0.8.3-3","1:0.8.3-5","1:0.8.3-6","1:0.8.3-7"],"ecosystem_specific":{"binaries":[{"binary_name":"ettercap-common","binary_version":"1:0.8.3-7"},{"binary_name":"ettercap-graphical","binary_version":"1:0.8.3-7"},{"binary_version":"1:0.8.3-7","binary_name":"ettercap-text-only"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}},{"package":{"name":"ettercap","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-3","1:0.8.3.1-4","1:0.8.3.1-4build1","1:0.8.3.1-5"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.8.3.1-5","binary_name":"ettercap-common"},{"binary_version":"1:0.8.3.1-5","binary_name":"ettercap-graphical"},{"binary_name":"ettercap-text-only","binary_version":"1:0.8.3.1-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}},{"package":{"name":"ettercap","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-12","1:0.8.3.1-13","1:0.8.3.1-13build2","1:0.8.3.1-13build3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.8.3.1-13build3","binary_name":"ettercap-common"},{"binary_name":"ettercap-graphical","binary_version":"1:0.8.3.1-13build3"},{"binary_name":"ettercap-text-only","binary_version":"1:0.8.3.1-13build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}},{"package":{"name":"ettercap","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-14","1:0.8.3.1-15"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.8.3.1-15","binary_name":"ettercap-common"},{"binary_name":"ettercap-graphical","binary_version":"1:0.8.3.1-15"},{"binary_name":"ettercap-text-only","binary_version":"1:0.8.3.1-15"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}},{"package":{"name":"ettercap","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/ettercap?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-15","1:0.8.3.1-15build1","1:0.8.3.1-16","1:0.8.4-2","1:0.8.4-4","1:0.8.4-5","1:0.8.4.1-1","1:0.8.4.1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"ettercap-common","binary_version":"1:0.8.4.1-2"},{"binary_name":"ettercap-graphical","binary_version":"1:0.8.4.1-2"},{"binary_version":"1:0.8.4.1-2","binary_name":"ettercap-text-only"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-3606.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS: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"},{"type":"Ubuntu","score":"medium"}]}