CVE-2026-125401
Ettercap through 0.8.4.1 Heap Buffer Overflow via Gadu-Gadu Dissector
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 |
| Vendor | ettercap |
| Product | ettercap |
| Published | Nov 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
Ettercap / ettercap
0 ≤ 0.8.4.1
References
github.com: https://github.com/Ettercap/ettercap/security/advisories/GHSA-vrjv-f8gv-2h35 github.com: https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98 github.com: https://github.com/Ettercap/ettercap/pull/1330 github.com: https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/dissectors/ec_gg.c#L599 vulncheck.com: https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-heap-buffer-overflow-via-gadu-gadu-dissector
Credits
Adiel Sol, Arad Inbar, Erez Cohen, Nir Somech, Ben Grinberg, Daniel Lubel, Shir Sadon (DREAM Security Research Team) Emilio Escobar