{"id":"CVE-2026-3606","aliases":["DEBIAN-CVE-2026-3606","EUVD-2026-9938","GHSA-2cjg-466r-p8w4","UBUNTU-CVE-2026-3606"],"status":"published","title":"Ettercap etterfilter ef_output.c add_data_segment out-of-bounds","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.","severity":{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00183,"percentile":0.07931,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-125","CWE-787"],"published":"2026-03-05T22:02:07Z","modified":"2026-10-28T02:30:21Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"ettercap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-11","1:0.8.3.1-12","1:0.8.3.1-13","1:0.8.3.1-14","1:0.8.3.1-15","1:0.8.3.1-16","1:0.8.4-1","1:0.8.4-2","1:0.8.4-3","1:0.8.4-4","1:0.8.4-5","1:0.8.4.1-1","1:0.8.4.1-2"]},{"source":"osv","ecosystem":"Debian:13","package":"ettercap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-14","1:0.8.3.1-15","1:0.8.3.1-16","1:0.8.4-1","1:0.8.4-2","1:0.8.4-3","1:0.8.4-4","1:0.8.4-5","1:0.8.4.1-1","1:0.8.4.1-2"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ettercap","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"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ettercap","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"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ettercap","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"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ettercap","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"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ettercap","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"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"ettercap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.3.1-14","1:0.8.3.1-15"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ettercap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.8.4.1-2","1:0.8.4.1-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ettercap","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"]}],"products":[{"vendor":"ettercap-project","product":"ettercap"}],"references":[{"url":"https://vuldb.com/?id.349218","tags":["vdb-entry","technical-description","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://vuldb.com/?ctiid.349218","tags":["signature","permissions-required","Permissions Required","VDB Entry","report"]},{"url":"https://vuldb.com/?submit.764648","tags":["third-party-advisory","Exploit","Third Party Advisory","VDB Entry","advisory","report"]},{"url":"https://github.com/Ettercap/ettercap/issues/1297","tags":["issue-tracking","Exploit","Issue Tracking","report"]},{"url":"https://github.com/oneafter/0202/blob/main/et/repro","tags":["exploit","Product","evidence","report"]},{"url":"https://github.com/Ettercap/ettercap/","tags":["product","Product","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3606","tags":["advisory"]},{"url":"https://github.com/Ettercap/ettercap"},{"url":"https://github.com/advisories/GHSA-2cjg-466r-p8w4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3606.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-3606","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-3606","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-3606","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-3606","title":"Ettercap etterfilter ef_output.c add_data_segment out-of-bounds","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.","status":"published","published":"2026-03-05T22:02:07.36Z","modified":"2026-03-09T18:19:35.86Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"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","level":"low","assessor":"cna"},{"version":"3.0","score":3.3,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R","level":"low","assessor":"cna"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-125","CWE-119"],"updated_at":"2026-11-02T13:48:58.05327Z"}],"euvd":[{"id":"EUVD-2026-9938","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.","status":"published","published":"2026-03-05T22:02:07Z","modified":"2026-03-09T18:19:35Z","cvss":[{"version":"4.0","score":4.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T19:48:06.581696Z"}],"ghsa":[{"id":"GHSA-2cjg-466r-p8w4","title":"A vulnerability has been found in Ettercap 0.8.4-Garofalo. Affected by this vulnerability is the...","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.","status":"published","published":"2026-03-06T00:31:34Z","modified":"2026-03-16T18:33:10Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":1.9,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-02T15:06:39.944141Z"}],"nvd":[{"id":"CVE-2026-3606","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.","status":"published","published":"2026-03-05T22:16:25.39Z","modified":"2026-06-17T10:43:51.497Z","cvss":[{"version":"4.0","score":1.9,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":1.7,"vector":"AV:L/AC:L/Au:S/C:N/I:N/A:P","level":"low","assessor":"secondary"}],"cwes":["CWE-119","CWE-125","CWE-787"],"updated_at":"2026-11-02T14:12:07.852448Z"}],"osv":[{"id":"CVE-2026-3606","title":"Ettercap etterfilter ef_output.c add_data_segment out-of-bounds","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.","status":"published","published":"2026-03-05T22:02:07.36Z","modified":"2026-10-28T02:30:21.389322904Z","cvss":[{"version":"4.0","score":1.9,"vector":"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","level":"low"}],"cwes":["CWE-119","CWE-125"],"updated_at":"2026-11-02T15:45:02.673625Z"},{"id":"DEBIAN-CVE-2026-3606","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.","status":"published","published":"2026-03-05T22:16:25.39Z","modified":"2026-10-13T17:00:10.350067582Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:54.587575Z"},{"id":"UBUNTU-CVE-2026-3606","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.","status":"published","published":"2026-03-05T22:16:00Z","modified":"2026-10-27T04:17:55.308556811Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"low"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":1.9,"vector":"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","level":"low"}],"updated_at":"2026-11-02T16:56:16.686388Z"}]}}