{"id":"CVE-2026-125401","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-125401","summary":"Ettercap through 0.8.4.1 contains a heap buffer overflow vulnerability in gg_get_version() in src/dissectors/ec_gg.c that writes up to 44 bytes into a 30-byte allocation. Remote attackers…","details":"Ettercap through 0.8.4.1 contains a heap buffer overflow vulnerability in gg_get_version() in src/dissectors/ec_gg.c that writes up to 44 bytes into a 30-byte allocation. Remote attackers can send Gadu-Gadu traffic on TCP port 8074 with a crafted version field through a monitored network to corrupt heap memory in the Ettercap process, which normally runs as root.","published":"2026-11-10T00:17:14.540","modified":"2026-11-10T00:17:14.540","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98","label":"Ettercap/ettercap@1d8badb"},"references":[{"type":"WEB","url":"https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/dissectors/ec_gg.c#L599"},{"type":"WEB","url":"https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98"},{"type":"WEB","url":"https://github.com/Ettercap/ettercap/pull/1330"},{"type":"WEB","url":"https://github.com/Ettercap/ettercap/security/advisories/GHSA-vrjv-f8gv-2h35"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-heap-buffer-overflow-via-gadu-gadu-dissector"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-10T00:17:14.540"}}