CVE-2026-125401

Ettercap through 0.8.4.1 Heap Buffer Overflow via Gadu-Gadu Dissector

Published Nov 9, 2026 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ettercap
Ettercap ettercap
Vendors & Products Ettercap
Ettercap ettercap
Type Values Removed Values Added
Description 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.
Title Ettercap through 0.8.4.1 Heap Buffer Overflow via Gadu-Gadu Dissector
First Time appeared Ettercap-project
Ettercap-project ettercap
Weaknesses CWE-122
CPEs cpe:2.3:a:ettercap-project:ettercap:*:*:*:*:*:*:*:*
Vendors & Products Ettercap-project
Ettercap-project ettercap
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 11:28 PM
Reserved
Nov 9, 2026, 10:03 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 12:17 AM
Modified
Nov 12, 2026, 9:07 PM